Cash flows of two mutually exclusive projects are as follows. Project A costs $80,000 initially and will have a $15,000 salvage value after 3 years. The operating cost with this method will be $30,000 per year. Project B has initial cost of $120,000, an operating cost of $8,000 per year, and a $40,000 salvage value after its 3-year life. Assume the interest rate is 10% per year. Which of the following statements is true?
A. Two projects have different life cycle
B. Project A should be selected.
C. The present worth of project A is -$143,252.17.
D. The present worth of project B is -$109,842.22.