Question: Answer all questions. Answers must be written within the answer boxes provided. Working may be continued below the lines, if necessary. 1. [Maximum mark:

Answer all questions. Answers must be written within the answer boxes provided.

Answer all questions. Answers must be written within the answer boxes provided. Working may be continued below the lines, if necessary. 1. [Maximum mark: 6] In this question, give all answers correct to two decimal places. Sam invests $1700 in a savings account that pays a nominal annual rate of interest of 2.74%, compounded half-yearly. Sam makes no further payments to, or withdrawals from, this account. (a) Find the amount that Sam will have in his account after 10 years. David also invests $1700 in a savings account that pays an annual rate of interest of 1%, compounded yearly. David makes no further payments or withdrawals from this account. [3] (b) Find the value of r required so that the amount in David's account after 10 years will be equal to the amount in Sam's account. [2] (c) Find the interest David will earn over the 10 years. [1]

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