1) Betty deposits $2000 annually into a Roth IRA that earns 6.85% compounded annually. Due to a change in employment, these deposits stop after 10 years, but the account continues to earn interest until Betty retires 25 years after the last deposit is made. How much is in the account when Betty retires? 2) You decide to buy a TV set for $800 and agree to pay for it with 18 equal monthly payments at 1.5% interest per month on the unpaid balance. How much are your payments? What is the total interest paid? 3) A says he paid $25,000 down on a new house and will pay $525 per month for 30 years. If interest is 7.8% compounded monthly, what was the selling price of the house? 4) You have found the house of your dreams. The selling price is $175,000 with an interest rate of 5.5% compounded monthly. Determine the monthly house payment if the loan is for: a) 30 years b) 15 years