1. If the present value of $600 expected to be received one year from today is $400 what is the one-year discount rate? a. 15%b. 20%c. 25%d. 50%2. The present value formula for one period cash flow is: a. PV = C1(1 + r)b. PV = C1/(1 + r)c. PV = C1/rd. None of the above3. The net present value formula for one period is: I) NPV = C0+ [C1/(1 + r)]; II) NPV = PV required investment; and III) NPV = C0/C1 a. I onlyb. I and II onlyc. III onlyd. None of the above4. An initial investment of $400000 will produce an end of year cash flow of $480000. What is the NPV of the project at a discount rate of 20%? a. $176000b. $80000c. $0 (zero)d. None of the above