1. Find the final amount in the following retirement account, in which the rate of return on the account and the regular contribution change over time.

1. $1100 per quarter invested at 4.1%, compounded quarterly, for 10 years; then $1700 per quarter invested at 4.9%, compounded quarterly, for 15 years.

Find the final amount in the account

$_____ (round to the nearest dollar)

2. Find the amount of each payment to be made into a sinking fund earning 6% compounded monthly to accumulate $85,000 over 5 years. Payments are made at the end of each period.

The payment size is $____ (round to the nearest cent)

3. Find the future value of the following annuity due.

Payments of $300 for 6 years at 5% compounded semiannually.

S = $_____ (round to the nearest cent)