PLEASE ANSWER BOTH :(

An ordinary annuity pays 7.56% compounded monthly. (A) A person deposits $150 monthly for 30 years and then makes equal monthly withdrawals for the next 15 years, reducing the balance to zero. What are the monthly withdrawals? How much interest is earned during the entire 45-year process? (B) If the person wants to make withdrawals of 2,500 per month for the last 15 years, how much must be deposited monthly for the first 30 years? (A) The monthly withdrawals are $ (Round to the nearest cent as needed.) Some friends tell you that they paid $28,328 down on a new house and are to pay $782 per month for 30 years. If interest is 5.1% compounded monthly, what was the selling price of the house? How much interest will they pay in 30 years? BI Selling price of the house: $ (Round to two decimal places as needed.)