7. What is the present value of the following? a. A $1000 perpetuity discounted back to the present at 12 percent b. A $95 perpetuity discounted back to the present at 5 percent 8. What is the present value of a perpetuity stream of cash flows that pays $50,000 at the end of Year 1 and then grows at a rate of 6 percent per year indefinitely? The rate of interest used to discount cash flows is 10 percent? 9. Ryan Raynolds has signed a contract that will pay him $80,000 at the end of each year for the next six years, plus an additional $100,000 at the end of Year 6. 8 percent is the appropriate discount rate what is the present value of this contract? 10. Brad Pitt has signed has signed a contract that will pay him $80,000 at the beginning of each year for the next six years, plus an additional $100,000 at the end of Year 6. If 8 percent is the appropriate discount rate what is the present value of this contract