Problem 4-21 A mortgage loan in the amount of $100,000 is made at 6 percent interest for 20 years. Payments are to be monthly in each part of this problem. Bamssland Required A Required B Required C Required D Required E Required F If this is a negative amortizing loan and the borrower and lender agree that the loan balance of $150,000 will be payable at the end of year 20: (1) How much total interest will be paid from all payments? How much total principal will be paid? Note: Round your final answer to 2 decimal places. (2) What will be the loan balance at the end of year 37 Note: Round your final answer to 2 decimal places. (3) If the loan is repaid at the end of year 3, what will be the effective rate of interest? (4) If the lender charges 4 points to make this loan, what will the effective rate of interest be if the loan is repaid at the end of year 3? Note: Round your final answer to 2 decimal places. 91. Total interest g1 Total principal 92 Loan balance 93 Effective rate of interest 94 Effective rate of interest if lender charges 4 points