8.) you currently owe $2500 of your credit card that charges an annual interest rate of 20.5%. You make $203 of new charges every month and make a payment of $111 every month. What will your credit card balance be in three months?

9.)You would like to retire in 25 years. The expected rate of inflation is 2% per year. You currently have a standard of living that requires $6000 of monthly expenses. Assuming you want to maintain the same standard of living in retirement, what are your monthly expenses expected to be the first year of retirement?

10.) You purchases a house for $145000. You made a down payment of $20,000 and the remainder of the purchase price was financed with a mortgage loan. The mortgage loan is a 25 year mortgage with an annual interest rate of 5.0%. Mortgage payments are made monthly. What is the monthly amount of your mortgage payment?

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