Answer:
a. $151.73
Explanation:
This question is based on EMI
The EMI formula is :

Here , p = 2513.77
n = 18 (year and a half)
r =
;
=>

Putting the values in formula:

=$151.63 ; this amount is closest to $151.73
Therefore, Jeff will have to pay $151.73 every month to reach his goal.