Jack asked Jill to marry him, and she has accepted under one condition: Jack must buy her a new $330 comma 000 Rolls-Royce Phantom. Jack currently has $45 comma 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.

Consider the following information on stocks a, b, c and their returns (in decimals) in each state: state prob. of state a b c boom 20% 0.27 0.22 0.16 good 45% 0.16 0.09 0.07 poor 25% 0.03 0 0.03 bust 10% -0.08 -0.04 -0.02 if your portfolio is invested 25% in a, 40% in b, and 35% in c, what is the standard deviation of the portfolio in percent? answer to two decimals, carry intermediate calcs. to at least four decimals.