(Related to Checkpoint 5.6) (Solving for i) At what annual interest rate, compounded annually, would $510 have to be invested for it to grow to $1,961,48 in 15 years? The annual interest rate, compounded annually, at which $510 must be invested for it to grow to $1,961.48 in 15 years is \%. (Round to two decimal places.) (Related to Checkpoint 5.4) (Present value) What is the present value of $800 to be received 8 years from no discounted back to the present at 11 percent? The present value of $800 to be received 8 years from now discounted back to the present at 11 percent is $ (Round to the nearest cent.) his wife an expensive diamond ring with a plinuten, who has been married for 22 years, would like to buy cost of the ring will be $13,000 in 8 -year a platinum setting on their 30 -year wedding anniversary. Assume that the earn on his investment to accumulatears. Kirk currently has $4.599 to invest. What annual rate of retum must Kirk The annual rate of return Kirk must earn on his investment to accumulate enough money to pay for the ring is (Round to two decimal places.)