The interest rate for the first six years of a $30,000 mortgage loan was 3.55% compounded semiannually. The monthly paym

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The interest rate for the first six years of a $30,000 mortgageloan was 3.55% compounded semiannually. The monthly paymentscomputed for a 12-year amortization were rounded to the next higher$10. (Do not round intermediate calculations and roundyour final answers to 2 decimal places.)a. Calculate the principal balance at the endof the first term.Principal balance $ b. Upon renewal at 6.05% compoundedsemiannually, monthly payments were calculated for a six-yearamortization and again rounded up to the next $10. What will be theamount of the last payment?Final payment $