2. Joe Levi bought a new home in Arlington, Texas for $140,000. He put down 20% and has two options. At bank A he can get a 30 year mortgage at 5.5% and at bank B he can get a 15 year mortgage for 5.5%. He would save $ _______ in total interest by choosing bank B. His monthly payment would be $ ________ lower by choosing bank A.
He would save $52992 in total interest by choosing bank B. His monthly payment would be $ 147.20 lower by choosing bank A.
explaination :-
Amount Financed = 140000*0.80 = $112000.
p = Pi/[1-(1+i)^(-n)]
= $783.12 monthly payments at 7.5%
= $635.92 monthly payment at 5.5% annual interest
Total payments at 7.5% = $281923.2
Total Principal = $112000
Total Interest = 281923.2-112000 = $169923.20
Total payments at 5.5% = $228931.20
Total Principal = $11200
Total Interest = $116931.20
Difference in interest between 7.5% and 5.5% interest:
169923.20 - 116931.20 = $52992
Difference in monthly payments between 7.5% and 5.5%
interest:
783.12 - 635.92 = $147.2
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