Chapel Hill, North Carolina, has decided to build a 15-mile raw water pipeline to allow it to purchase water from Hillsborough, North Carolina, during times of drought. The engineer has recommended that a 16-in pipeline be built. The basis for the decision is as follows: Cost of Capital Expected Pipe in the cost of Annual Diameter Ground Pumping Power Interest rate is 8%; ($/ft) Station Cost Expected life is 20 yr. $150,000 $10,000 145.000 8,000 140,000 7.000 120,000 6,000 (in) a. Compare the four alternatives based on annual cost and present worth analysis