(Related to Checkpoint 5.5) (Solving for n ) Jack asked Jul to marry him, and she has acceptod under one condson: Jack most buy her a new $300.000 Rolls-Royce Phantiom. Jack currently has $14,700 that ho may invest. He has found a mutual fund with an expected annuat refurn of 7.5 percent in which he mit place the money. How long wil it take Jack to win Jirs hand in marriage? lgnoe taxps and imfation. The number of years i will take for Jack to win Jirs hand in marriage is years. (Pound to one decmal place.)