of Brian wants to buy a house that cost $15000 the bank agreed to give him 80% of cost at 0.05 annual interest on a 15-year loon. what is his monthly paymente what is the monthly loan payment what is the interest paid in the first month what is the principal paid in the first month what is the interest paid in the second monthe what is the principal paid in the second monthe what is the total interest that was paid over the life of the loon