Straight bank loan. Left Bank has a standing rate of 8.1% (APR) for all bank loans and requires monthly payments. What is the monthly payment if a loan is for (a) $125,000 for 4 years, (b) $250,000 for 12 years, or (c) $1,450,000 for 24 years? What is the effective annual rate of each of these loans? (a) What is the monthly payment if a loan is for $125,000 for 4 years? $ (Round to the nearest cent.)