mendez company has identified an investment project with the following cash flows. year cash flow 1 $ 880 2 1,250 3 1,510 4 1,675 a. if the discount rate is 8 percent, what is the present value of these cash flows? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. what is the present value at 20 percent? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)