(Solving for n) Jack asked Jill to marry him, and she has accepted under one condition: Jack must buy her a new $300,000 Rolls-Royce Phantom. Jack currently has $44,500 that he may invest. He has found a mutual fund with an expected annual return of 7.2% 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.)

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(Solving for r of an annuity) You lend a friend $30,000, which your friend will repay in 8 equal annual end-of-year payments of $5,000, with the first payment to be received 1 year from now. What rate of return does your loan receive?

The rate of return your loan will receive ___%