Kim has just graduated from law school. She had taken an education loan of $45,000, which now needs to be repaid in equal monthly installments over the next 6 years. What is the amount of the monthly loan payment, if the loan carries a simple annual interest of 6%? Use a calculator to make the calculation and round your answer to two decimal places.

a.$658.92

b.$689.76

c.$724.72

d.$702.46

e.$745.78