Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 7

Dwayne has four independent vendor proposals to contract the nationwide oil recycling services for Ford Corporation manufacturing plants. All combinations are acceptable, except that vendors B and C cannot both be chosen. Revenue sharing of recycled oil sales with Ford is a part of the requirement. Develop all possible mutually exclusive bundles under the additional following restrictions and select the best projects. The corporate MARR is 10% per year.
a) A maximum of $4 million can be spent.
b) A larger budget of $5.5 million is allowed, but no more than two vendors can be selected.
c) There is no limit on spending.