5.) Evaluating a loan request: The Rosens found a house selling for $113,500. The taxes on the house are $1200 per year, and insurance is $320 per year. They are requesting a conventional loan from the local bank. The bank is currently requiring a 15% down payment and 3 points, and the interest rate is 10%. The Rosen's gross monthly income is $4750. The have more than 10 monthly payments remaining on a car, a boat, and furniture. The total monthly payments for these items is $420. Their bank will approve a loan that has a total monthly mortgage of principal, interest, property taxes, and homeowners insurance that is less than or equal to 28% of their adjusted monthly income. a.) Determine the required down payment. b.) Determine the cost of the 3 points. c.) Determine 28% of their adjusted monthly income. d.) Determine the monthly payments of principal and interest for a 20-year loan. e.) Determine their total monthly payment, including homeowners' insurance and taxes. f.) Determine whether the Rosens qualify for the 20-year loan. g.) Determine how much of the first payment on the loan is applied to the principal