Please help and answer all questions!

3. (5 points) What is the monthly payment on a $250,000 loan with a 9% annual rate and monthly payments for 30 years? 4. (15 points) Suppose company ABC financed 80 : the purchase price of an office building. which had a purchase price of $3,000,000 and a fuxed rate of 8% and a 30 year term with annual payments. Suppose at the end of year 3, company ABC wanted to pay off the loan. What is the payoff amount? 5. (15 points) Suppose the Cohen Corp has taken a $100,000 mortgage loan, with a 30 year term and fixed interest rate of 6% and monthly payments. What is the interest paid in year 7 of the loan