Solution
For this case we can use the following formula:

For this case
P= 1960
r= 0,09/12= 0.0075
n= 4*12= 48
Replacing we got:

then the answer for this case would be:
48.77$
Solution alternative proposed

P= 1960 $
I = 0.09*1960*4= 705.6 $
n = 12*4years= 48months
Replacing we got:
