An A&E firm planning for a future expansion deposited $32,000 each year for 5 years into a sinking (investment) fund that was to pay an unknown rate of return. If the account had a total of $452,000 immediately after the fifth deposit, what rate of return did the company make on these deposits?

The rate of return that the company made was

For an APR of 11% per year, if the interest is compounded weekly, determine the nominal rate per (a) 6 months and (b) 2 years.

The nominal interest rate per 6 months is %.

The nominal interest rate per 2 years is %.