1. At what per annum rate must $370 be compounded monthly for it to grow to $660 in 12 years? (Round to 100th of a percent and enter your answer as a percentage, e.g., 12.34 for 12.34%)

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2. Your rich aunt has promised to give your $1800 in 3 years. How much should you be willing to receive today (in lieu of the $1800 in 3 years) if you can earn 7% per annum, compounded semi-annually? (Round to the nearest penny, e.g. 1234.56)

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3. At what per annum rate must $219 be compounded daily for it to grow to $613 in 8 years? (Round to 100th of a percent and enter your answer as a percentage, e.g., 12.34 for 12.34%) (Assume 365 days in the year)

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4. You discover that you need a new laptop that costs $1,000. You charge the laptop to your credit card which charges a 20% annual interest rate. If you make no payments on the credit card for 8 years, how much will you owe on the card? Assume annual compounding. (Round to the nearest penny, e.g. 1234.56)

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