Let us prepare an inventory system for EG151 exhaust gasket: First we sum up the gasket sales/demand for the 21 weeks that is given to us. This gives us a total of 2142 gaskets for 21 week period if we divide it by 21 we get average weekly sales of 102 gaskets. As the lead time for gaskets is two weeks we multiply this quantity by 2 and we get a figure of 204. We take a safety stock level of one week as this is the half of the lead time and we add this to the figure of 204 and we get a reorder quantity of 306. This should be the reorder quantity for EG151. This also means that the average stock will be 204/2 that is 102 plus safety stock 102 that is 204 units.

the investment in the inventory will be 68% of $12.99 that is $8.83. The cost of carrying this will be 21 percent that is $1,85. If we multiply this by 204 units found above we get a yearly cost of $337.4. Now if the ordering is done once every two weeks then the ordering cost will be 26 X $20 = $520. if this is added to the above cost we get a total of $857.4.

Put yourself in Sue McCaskey’s position and prepare a
detailed report to Dan Block and Ed Spriggs on managing
the inventory of the EG151 exhaust gasket and the
DB032 drive belt. Be sure to present a proper inventory
system and recognize all relevant costs.

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...September 20, 2005
Dear Student,
The Order of Operations is not one of the hardest, nor is it one of the easiest things that you will have to learn in Algebra and other mathematical classes. To begin in learning the Order of Operations, you must follow the steps, hence the "order" of the operation. To start off, the first step would be to do anything that is inside of grouping symbols ([ ], ( ), { }). Next you would have to do powers from the left to the right (9 squared). Following the Order of Operations, the next phase of a problem would be to do all of the multiplication and division from the left to the right (*, /). The final stage in the Order of Operations is to do all of the addition and subtraction from the left to the right (+, -). Now, you just have to finish by putting it altogether and finding the answer.
Example-
3*6(35-3+5)10squared
1) First do
anything inside 3*6*37*10squared
grouping symbols.
2) Next you do powers 3*6*37*100
from left to right.
3) Now multiplication 66,600
and division from the
left to the right.
4) Lastly you would do
addition and subtraction
but this problem doesn't
have any.
Above is an example of how the Order of Operations works. It should always be done this way. An example of someone doing it the wrong way is below:
3*6(35-3+5)10squared
1) As you can see 18(35-3+5)10squared...

... Operation Assignment
Name: HongYu Qiao ID: B332898
The operation network of Tesco in UK are the largest within the Group, with over 3300 stores and 310,000 colleagues. Tesco has been trying to build a better supermarket in the UK and deliver the things that matter to their customers—great service, range, quality and great value.The key factors for Tesco to success include staffs, goods, delivery, layout, price and quality. For example,Tesco will invite over 1000 their customers come and try their new products and services every year. In the process of consulting customers face by face, Tesco is enable to receive feedbacks immediately and advices to improve their insufficiency.
1.1 The Operation of Tesco
A. Facilities
Facilities include the location, size and focus of operation resources. Where the production facilities should be located, the size of the facility, goods and services should be produced at the each location, and to what market each facility should serve these decisions are taken in this category. The Tesco I described is located in loughborough. There are lots of facilities placing inside and outside Tesco. E.g. phone shop,coffee shop etc. There are two graphs showing how many facilities nearby Tesco or in the Tesco can be used. Except of products facilities, the facilities service of Tesco is also...

...Word Count: 2.386
In our modern market economy, given the dynamic nature of the environment, where competition reaches outstanding levels and variables such as consumer demand are increasingly more difficult to analyze and predict, it all comes to the abilities of managers to keep their companies successful. CEO’s, marketing and operations managers, they all play a vital role in the profitability of their companies, no matter if they are small regional companies or large multinational corporations.
Since the start of the economic crisis in 2008, all national economies face difficulties, both in the goods and the financial markets. This is also the case of Romania, which started as one of the most promising emerging economies in the Eastern European area. Now the country is struggling to meet budget deficit targets and pay back IMF loans.
Even in these rough conditions, S.C. Marinaden S.R.L. (Limited Liability - the equivalent of the British Ltd.) remains one of the largest furniture manufacturers and retailers in the country’s Northern region. Ever since this company was started 50 years ago, it succeeded in being one of the top players in the field. The company has two manufactory facilities located at the outskirts of Iasi and Suceava (two of the largest cities in the region), which work around the clock to make sure all demand is met. As points of sale, the company uses more than 10 rented spaces in major cities at the moment, each of them being located...

...Grading
2 points each
1- The feasible solution space only contains points that satisfy all constraints.
2- Graphical solution to linear programming problems can handle problems
that involve any number of decision variables.
3- The value of an objective function decreases as its iso-objective line is moved
away from the origin.
4- If a single optimal solution exists to a graphical LP problem, it will exist at a
corner point.
5- Using the enumeration approach, optimality is obtained by evaluating every
coordinate (or point) in the feasible solution space.
6- A non-unique solution to a linear program indicates the existence of more
than one optimal point with different values of the decision variables but the
same value of the objective function.
7- An unbounded solution to a linear programing problem is usually due to
omitting a constraint.
8- If a linear programming model has no feasible solution space, then the
answer to that model is a unique optimal solution.
9- The constraint x1 >= 2 x2 is non linear.
10- In the general diet problem, the objective function is a maximization of profit
obtained from selling the foods.
Question
Answer
1
T
2
F
3
F
4
T
5
F
6
T
7
T
8
F
9
F
10
F
Problem statement
A group of scouts is spending a few days in a remote hostel where the only foods
available are the ones listed in the table below. After consulting with a nutritionist, the
group leader learned that a satisfactory diet...

...
Operation Management Assignment
Liu Zhenya(Harry)
2014.2.26
Words[1724]Question1: Why is operations management important in this company ?Operations management refers to the administration of business practices to create the highest level of efficiency possible within an organization. Operations management is concerned with converting materials and labor into goods and services as efficiently as possible to maximize the profit of an organization (Stevenson, W. J., & Hojati, M., 2007). The operations function comprises a significant percentage of the employees and physical assets in most organizations. Operations managers are concerned with each step in providing a product or service. They determine what should go into an operating system, such as equipment, labor, facilities, materials, energy, and information, to produce the output(Stevenson, William J., and Mehran Hojati., 2007). Operations managers are also responsible for critical activities such as materials management, capacity planning, purchasing, scheduling and quality.
The importance of operations management has increased dramatically in recent years. Significant competition, shorter product and service life cycles, better educated and quality-conscious consumers, and the capabilities of new technology have placed pressures on the operations function to improve productivity...

...Homework Assignment 2 Solution
Question 1: (True / False) (20 Points)
Answer this question in a table with the question number and the selected answer (True or False) in separate columns as shown below.
Question Number
Answer
1
2
…
10
Grading
2 points each
1- The feasible solution space only contains points that satisfy all constraints.
2- Graphical solution to linear programming problems can handle problems that involve any number of decision variables.
3- The value of an objective function decreases as its iso-objective line is moved away from the origin.
4- If a single optimal solution exists to a graphical LP problem, it will exist at a corner point.
5- Using the enumeration approach, optimality is obtained by evaluating every coordinate (or point) in the feasible solution space.
6- A non-unique solution to a linear program indicates the existence of more than one optimal point with different values of the decision variables but the same value of the objective function.
7- An unbounded solution to a linear programing problem is usually due to omitting a constraint.
8- If a linear programming model has no feasible solution space, then the answer to that model is a unique optimal solution.
9- The constraint x1 >= 2 x2 is non linear.
10- In the general diet problem, the objective function is a maximization of profit obtained from selling the foods.
Answer
Question Number
Answer
1
T
2
F
3
F
4
T
5
F
6
T...

...OPERATIONS RESEARCH
INTRODUCTION
Operations Research is a unique discipline, one of its kinds, best of breeds, employing several highly developed and advanced analytical techniques which in turn aids in effective decision making. It is often regarded as a sub-field of mathematics. Operations research (OR) are not only deeply involved with making and taking effective decisions. It is also concerned with minimizing losses, optimization, simulations, forecasting and predicting within an organization.
According to Morse and Kimball, Operations Research is a scientific method of providing executive departments with quantitative basis for decisions regarding the operations under their control.
HISTORY
Operations Research, took birth as a new field of study in Britain in 1939 -40 at the start of World War II in the efforts of military planners, and it has developed and expanded execeedingly in the last five to six decades. After the war, the techniques were used in areas such as business, industry and society. Since then, operational research has extended into a field widely used in industries ranging from petrochemicals to airlines, finance, logistics, and government, moving to a focus on the development of mathematical models that can be used to analyze and optimize complex systems, and has become an area of active academic and industrial research.1
Historical Origin
Prior to the...

...Operation Overlord
On June 6, 1944 the largest amphibious assault in history took place. On the morning of the Invasion of Normandy, beaches in the area of Cotentin, France, were bombarded with over 5,000 tons of bombs, destroying German defenses and de-mining many areas. Following the bombardment over 100,000 soldiers swam ashore, and 11,700 paratroopers were dropped to secure Normandy Beach. After two months of battle, Allied troops marched into Normandy on August 24th, 1944. The Invasion of Normandy not only was the turning point of the World War II, but also directly led to the liberation of Western Europe from the Nazi regime.
Deception of the Germans was an important factor in the preparations for D-Day. Although the actual attack was to take place near Cotentin, German forces were misled into believing that the attack was to take place at Pas de Calais. First, the allies created a mythical 1st Army Group, which would be based in Dover, just across the channel from Pas de Calais. Many inflatable tanks and vehicles were placed in Dover, and a harbor containing an armada of inflatable rafts was constructed in the area. In command of the phantom 1st Army group was Patton, the Allied General for whom the Germans held the highest regard. Known enemy spies were informed of the supposed state of Patton’s forces. Naval maneuvers were performed off the area’s coast by the allies, and radio trafficking was manipulated so that German intelligence would suspect...