I need help with numbers 1, 7, and 8.

1. Suppose that you take out a federal direct (unsubsidized) loan on September 1 before your senior year for $5,000 (the maximum allowed for a dependent student) and plan to begin paying it (the amount you borrowed) back on December 1 after graduation (so you will have had the loan for 15 months, including the 6-month grace period after leaving school). The annual interest rate is 5.29% and the interest is calculated every month until that December 1. How much interest will you be responsible for on that December 1 (assuming you haven't been paying it back every quarter since September 1)?7. Suppose that you are in a family with the U.S. median household income of about $53,000 and you want to buy a median-priced house for $205,000 with a 30-year fixed-rate, federally insured mortgage at 3.25%. Suppose that you can make a down payment of only $7,000, plus pay closing costs of about $4,000. a. Can you afford such a home? (Mortgage lenders have "affordability" guidelines that suggest that a family cannot afford to spend more 31% of its monthly income on housing.) b. Unfortunately, there is more to the mortgage than just the amount needed to amortize the loan. Your payment will also have to cover real estate (property) taxes, mortgage insurance, and homeowner's insurance on the property. Assume the house is in Long Beach. Look up the extra cost using online resources then answer the question "Can you afford such a home?" 8. Monthly payments for a 15-year, 6% annual interest rate mortgage are about times the payments for a 30-year mortgage of the same amount and the same interest rate