1.David had an outstanding balance on his credit card account of $469.86 for purchases he made. Find the finance charge if it was 2.5% per month. Round answer to the nearest cent.

2. Find out how long it takes a $3400 investment to earn $300 interest if it is invested at 8% compounded semi annually. Round to the nearest 10th of a year. A=P(1+r/n)^nt

3.Find the interest rate using A=P(1+r)^2. $2560 grows to 4413.36 in 2 years.

4.Which is more volatile, a 20-year zero coupon bond or a 20-year 4.5% coupon bond?

5.Three individuals form a partnership and agree to divide the profits equally . X invests $9,000, Y invests $7,000 , Z invests $4,000. If the profits are $4,800 , how much less does X receive than if the profits were divided in proportion to the amount invested?

6.If I have 4,000 dollars and make a 10% gain on the total amount for 60 days, how much will I have? Also can you include a simple formula for this problem?

7.Molteni Motors Inc. recently reported $3.5 million of net income. Its EBIT was $7 million, and its tax rate was 30%. What was its interest expense?

8.Starting at the age of 22, every night you take $5 out of your pocket and put it in money box. At the end of the year, you place the money from the envelope in a stock fund with an average interest rate of 10% how much will you have in the account at the age of 65?

9.Jenelle invested $19600 in two mutual funds. Fund A earned 4% profit during the first year, while Fund B suffered a 1.5% loss. If she received a total of $487 profit, how much had she invested in each mutual fund?

10.Inflation will rise in the next market wave. Discuss for or against.