Question

In: Finance

GGV Corp. is considering the expansion of its networking and communication equipment production. Four projects are...

GGV Corp. is considering the expansion of its networking and communication equipment
production. Four projects are being considered. Projects A and B are mutually exclusive, and
Projects C and D are mutually exclusive. Project C cannot be selected unless Project A or B has
been selected. Project D is an optional add-on of Project A. The company's board of directors
has approved $2 million for this expansion. In addition, because of limited personnel, only
27,000 labor hours can be committed to the expansion. Formulate the resource allocation
problem as a linear programming model. Use a MARR of 7.2% per year

Progect A Project B Project C Project D
Initial costs, $ 410,000 560,000 595,000 635,000
Net annual
revenue, $
54,000 69,000 72,500 77,500

Man-hours
requirement,
hours

11,000 12,500 12,950 13,250
Life, years 2 2 2 2

Solutions

Expert Solution

Goal

Maximize Z where Z = 54,000 XA + 69,000 XB + 72,500 XC + 77,500 XD

where,

Let XA denote whether or not Project A is selected. XA = 1 for selection of A and XA= 0 for rejection.

Let XB denote whether or not Project B is selected. XB = 1 for selection of B and XB= 0 for rejection.

Let XCdenote whether or not Project C is selected. XC = 1 for selection of C and XC = 0 for rejection.

Let XD denote whether or not Project D is selected. XD = 1 for selection of D and XD= 0 for rejection.

Subject To :

Total Cost must be less than 2,000,000

410,000 XA + 560,000 XB + 595,000 XC + 635,000 XD <= 2,000,000

Total Man Hours required must not exceed 27000 hours

11,000 XA + 12,500 XB + 12,950 XC + 13,250 XD <= 27,000

MARR of 7.2% (Assuming Return = Net Annual Revenue/Project Cost)

54,000 XA + 69,000 XB + 72,500 XC + 77,500 XD >= 0.072 X ( 410,000 XA + 560,000 XB + 595,000 XC + 635,000 XD)

54,000 XA + 69,000 XB + 72,500 XC + 77,500 XD >= 29,520 XA + 40,320 XB + 42,840 XC + 45,720 XD

24,480 XA + 28,680 XB + 29,660 XC + 31,780 XD >=0

Project A & B are mutually exclusive

XA + XB <2

Project C & D are mutually exclusive

XC + XD <2

Project C needs either Project A or Project B

XA + XB - XC >=0

Project D is an optional add on of Project A

XA- XD>=0


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