Question

In: Statistics and Probability

The Hyundai dealer at Muscat needs to decide on how to ship new automobiles from two...

The Hyundai dealer at Muscat needs to decide on how to ship new automobiles from two ports (Sohar and Muscat) to four of their agencies in Muscat, Sohar, Nizwa and Salalah. The following table summarizes the transportation costs incurred per automobile (in OMR).

Muscat

Sohar

Nizwa

Salalah

Capacity

Muscat

20

80

60

150

200

Sohar

70

20

50

200

100

Demand

100

80

40

60

  1. Formulate a linear program to determine the least costly shipping plan. Clearly define the decision variables and the objective. (2)
  2. Use an appropriate software to solve the linear program. Summarize the shipping plan and the total cost. (2)
  3. The company is in the process of determining their orders of new automobiles for the coming year. Would you recommend keeping the same numbers arriving at each port (200 for Muscat and 100 for Sohar)? Justify your answer. (1)

All four agencies expressed interest in increasing their demand for new cars; however, the company can only accommodate one demand increase, which agency would you recommend? Justify your answer

Solutions

Expert Solution

The decision variables are:

xMM = # of orders from Muscat to Muscat

xMSO = # of orders from Muscat to Sohar

xMN = # of orders from Muscat to Nizwa

xMSA = # of orders from Muscat to Salalah

xSM = # of orders from Sohar to Muscat

xSSO = # of orders from Sohar to Sohar

xSN = # of orders from Sohar to Nizwa

xSSA = # of orders from Sohar to Salalah

The objective function is:

Min = 20xMM + 80xMSO + 60xMN + 150xMSA + 70xSM + 20xSSO + 50xSN + 200xSSA

The Shipping plan is:

Muscat Sohar Nizwa Salalah Capacity
Muscat 100 0 20 60 180
Sohar 0 80 20 0 100
Demand 100 80 40 60

The total cost is:

Total Cost 14800

From the output, we can say that the company should change the orders for Muscat ti 180 and Sohar should be the same as 100.

The demand should be increased for Muscat as it has the highest number of orders.


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