X-treme vitamin company is considering two investments, both of which cost $32,000. the cash flows are as follows: year project a project b 1 $ 34,000 $ 32,000 2 10,000 9,000 3 12,000 16,000 use appendix b for an approximate answer but calculate your final answer using the formula and financial calculator methods. a-1. calculate the payback period for project a and project b. (round your answers to 2 decimal places.) a-2. which of the two projects should be chosen based on the payback method? project a project b b-1. calculate the net present value for project a and project b. assume a cost of capital of 8 percent. (do not round intermediate calculations and round your final answers to 2 decimal places.) b-2. which of the two projects should be chosen based on the net present value method? project b project a c. should a firm normally have more confidence in the payback method or the net present value method? net present value method payback method