Question

In: Accounting

You manage a production line that operates using a monthly production cycle. There are five different...

  1. You manage a production line that operates using a monthly production cycle. There are five different products that could be made this month. However, you only have 500 hours of line capacity, so you must be careful which products you select to make in the production cycle.

Making a product incurs two types of setup costs: (1) a material “tear down” cost (measured in dollars) and (2) downtime for line preparation (measured in hours). Any quantity up to the forecasted monthly demand can be sold. Additional production details are given in the table below:

Product 1

Product 2

Product 3

Product 4

Product 5

Monthly Demand

1000 units

1100 units

1700 units

1600 units

1500 units

Revenue (per unit)

$150

$175

$155

$200

$225

Production Cost (per unit)

$60

$70

$60

$100

$110

Set Up Cost

$10000

$15000

$25000

$10000

$5000

Set Up Time

25 hrs

15 hrs

0 hrs

10 hrs

30 hrs

Production Time (per unit)

.1 hrs

.12 hrs

.13 hrs

.15 hrs

.16 hrs

  1. Based on this information, design a monthly production schedule to maximize monthly profit. Your solution should identify which products to make and the quantities of each. (Assume the line is not currently set up to make any of these products; Set Optimality Gap to .1%)
  2. If you could go to a two-month production cycle with the same monthly demands and the same monthly capacity, would you select different products and quantities? (Again assume the line is not currently set up to make any of these products; Set Optimality Gap to .1%)

Solutions

Expert Solution

for two month production cycle, set up cost is applied once and hence the difference is there

in one month cycle, product 4 and 5 are abondoned to reach the maximum profit of $277885 with the time constraint of 500 hrs in a month

however in two months production cycle, only product 4 is abondoned to reach the maximum profit of $679063 with the constraint of 1000 hrs and one time set up cost


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