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Bilbo Baggins wants to save money to meet three objectives. First, he would like

ID: 2631683 • Letter: B

Question

Bilbo Baggins wants to save money to meet three objectives. First, he would like to be able to retire 30 years from now with a retirement income of $32,500 per month for 20 years, with the first payment received 30 years and 1 month from now. Second, he would like to purchase a cabin in Rivendell in 10 years at an estimated cost of $405,000. Third, after he passes on at the end of the 20 years of withdrawals, he would like to leave an inheritance of $825,000 to his nephew Frodo. He can afford to save $3,800 per month for the next 10 years. If he can earn a EAR of 10 percent before he retires and a EAR of 7 percent EAR after he retires, how much will he have to save each month in years 11 through 30?

Explanation / Answer

PV of after retiremnt requirements at year 30

= 32500 *[1-(1+0.07/12)^- 240]/0.07/12 + 825000/1.07^20


= 4405127.138


amount accumulated after 10 years

= 3800 * [(1+0.1/12)^120 -1]/0.1/12 = 778410.9198


out of this he buys cabin for 405000

amount remaining = 778410 .9198 - 405000 = 373410.92


so th PV of the paymnts from 11 to 30 should be equal to 4031716.218 (4405127.138 - 373410.92)


let x be th monthly saving

x * [1 -(1+0.1/12)^-240]/0.1/12 = 4031716.218

x = 38906.93