Suppose you have the following three student loans: $10000 with an APR of 7.5% for 12 years, $15000 with an APR of 8% for 17 years, and $13500 with an APR of 9% for 7 years.
a. Calculate the monthly payment for each loan individually.
b. Calculate the total you'll pay in payments during the life of all three loans.
c. A bank offers to consolidate your three loans into a single loan with an APR of 8% and a loan term of 17 years. What will your monthly payments be in that case? What will your total payments be over the 17 years?
A)
First loan
=10000*(7.5%/12)/(1-1/(1+7.5%/12)^(12*12))=105.522630861831
Second loan
=15000*(8%/12)/(1-1/(1+8%/12)^(12*17))=134.738526507391
Third loan
=13500*(9%/12)/(1-1/(1+9%/12)^(12*7))=217.202556510519
B)
First
loan=10000*(7.5%/12)/(1-1/(1+7.5%/12)^(12*12))*12*12=15195.2588441036
Second loan
=15000*(8%/12)/(1-1/(1+8%/12)^(12*17))*12*17=27486.6594075077
Third loan
=13500*(9%/12)/(1-1/(1+9%/12)^(12*7))*12*7=18245.0147468836
Total=15195.2588441036+27486.6594075077+18245.0147468836=60926.93299849
C)
Monthly
payment=(10000+15000+13500)*(8%/12)/(1-1/(1+8%/12)^(12*17))=345.828884702303
Total
payment=(10000+15000+13500)*(8%/12)/(1-1/(1+8%/12)^(12*17))*12*17=70549.0924792697
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