please show all work thank you!:) only need parts A & B

EX 10-8 Net present value method for a service company AM Express Inc, is considering the purchase of an additional delivery vehicle for $55,000 on January 1, 2016. The truck is expected to have a five-year life with an expected residual value of $15,000 at the end of five years. The expected additional revenues from the added delivery capacity are anticipated to be $58,000 per year for each of the next five years. A driver will cost $42,000 in 2016 , with an expected annual salary increase of $1,000 for each year thereafter. The annual operating costs for the truck are estimated to be $3,000 per year. a. Determine the expected annual net cash flows from the delivery truck investment for 20162020 b. Calculate the net present value of the investment, assuming that the minimum desired rate of return is 12%. Use the present value of $1 table appearing in Exhibit 2 of this chapter. c. Is the additional truck a good investment based on your analysis? Explain