(Solving for n ) Jack asked Jill to marry him, and she has accepted under one condition: Jack must buy her a new $330,000 Rolls-Royce Phantom. Jack currently has $45,530 that he may invest. He has found a mutual fund with an expected annual return of 4.5% in which he will place the money. How long will it take Jack to win Jill's hand in marriage? Ignore taxes. The number of years it will take for Jack to win Jill's hand in marriage is years. (Round to one decimal place.) (Solving for r ) Kirk Van Houten, who has been married for 23 years, would like to buy his wife an expensive diamond ring with a platinum setting on their 30 -year wedding anniversary. Assume that the cost of the ring will be $12,000 in 7 years. Kirk currently has $4,510 to invest. What annual rate of return must Kirk earn on his investment to accumulate enough money to pay for the ring? The annual rate of return Kirk must earn on his investment is \%. (Round to two decimal places.)