Reference no: EM132241210
Question 3B CWD sports center sells Mountain Bikes, which it orders from the USA. Because of shipping and handling costs, each order must be for 20 Bikes. Because of the time it takes to receive an order, the company places an order every time the present stock drops to 10 Bikes. It costs $20 to place an order. It costs the company $100 in lost sales when a customer asks for a Bike and the warehouse is out of stock. It costs $50 to keep each Bike stored in the warehouse. If a customer cannot purchase a Bike when it is requested, the customer will not wait until one comes in but will go to a competitor. The following probability distribution for demand for Bikes has been and the time required to receive an order once it is placed (lead time) has the following probability distribution:
Lead time (weeks) 1, 2, 3, 4,
Probability 0.45, 0.30, 0.25. Please note lead time( weeks) 4 has no probability
Demand/ week 1,2,3,4
Probability 0.15, 0.25,0.40, 0.20
The company has 15 Bikes in stock. Orders are always received at the beginning of the week. Note that a lead time of 2 weeks imply that an order placed in week one will arrive in week 4
Required a. Construct the appropriate random number mappings for the random variables starting with .00.
b. Simulate CWD's ordering and sales policy for 20 weeks.
c. Compute the average cost of the policy
demand .15 .84 .16 .12 .55 .16 .84 .63 .33 .57 .18 .26 .23 .52 .37 .70 .56 .99 .16 .31
lead time .47 .74 .35 .56 .64 .21 .55 .01 .40
Use the following headings Month ,OI,, U R, A I ,RN ,D, D F, EI SO, order, RN. leadtime, IC ,SOC, OC, TC.
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