please answer all parts

[Note: The information presented here applies to questions 7 through 10.] You and your lovely and/or handsome spouse have decided the purchase a new home with a loan for $280,000. The morteage you chose offers a contract rate of 4.5%, a maturity of 30 years, and requires the payment of 2 points. What is the amount you must pay in points? Question 8 What is the annual effective cost of borrowing for this loan if you make your scheduled payments for the full 30 years? Question 9 1pts If you plan of moving into a different house after 5 years; what is the effective cost of borrowing? Question 10 Suppose that you find a mortgage offering the same basic termis and for the same amount, but offers a 5.25% rate and a $1500 rebate at closing. What is the effective cost of borrowing for this loan assuming that you plan to move into a new house aftec five years