Suppose one borrowed $400.00 per month for 54 months at 6 percent. After final $400.00 one waited 3 months and began repayment of loan at $200.00 per month for 72 months, then increased to $600.00 per month until loan was paid off. 1) what would be amount of interest owed before repayment started? 2) What would balance be after 72 months of $200 per month payments? 3) When would loan be paid off and what would total amount be?