mendez company has identified an investment project with the following cash flows. year cash flow 1 $ 920 2 1,330 3 1,590 4 1,775 a. if the discount rate is 10 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.) c. what is the present value at 30 percent? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)