3. (25% Marks) A loan for $47,000 is made for a period of 15 years with a 6% interest rate. Determine the loan payments for end-of-period payments, present value of the principal per period, the principal payment for 12th year, the interest payment for 12th year, total principle paid up to end of 124 year, total interest paid up to end of 12th year, and the unpaid balance at the end 12th year