Given:
The amount of money to borrow = P = $16,750
The interest = r = 4.5% = 0.045
Time = t = 18 months = 18/12 years = 1.5 years
So, the amount of money at the end of the time = A

This money will be divided over 18 months
so, The money paid each month =

rounding to the nearest cent
So, the answer will be $993.37