Going back to the OP question on how long it will take. If the interest is 7.5% on 150,000 and you pay 2,000 a month it takes:
Loan Calculator
Loan Balance: $150,000.00
Adjusted Loan Balance: $150,000.00
Loan Interest Rate: 7.50%
Loan Fees: 0.00%
Loan Term: 8.5 years
Minimum Payment: $2,000.00
Monthly Loan Payment: $2,000.00
Number of Payments: 102
Cumulative Payments: $203,040.64
Total Interest Paid: $53,040.64
Note: The monthly loan payment was calculated at $1,780.53 for 120 payments (10 years). Since this amount is less than the $2000 minimum, the term of the loan has beenshortened to 101 payments of $2000 plus a final payment of $1,040.64 .
It is estimated that you will need an annual salary of at least $240,000.00 to be able to afford to repay this loan. This estimate assumes that 10% of your gross monthly income will be devoted to repaying your student loans. This corresponds to a debt-to-income ratio of 0.6. If you use 15% of your gross monthly income to repay the loan, you will need an annual salary of only $160,000.00, but you may experience some financial difficulty.This corresponds to a debt-to-income ratio of 0.9.
For 3,000 a month:
Loan Balance: $150,000.00
Adjusted Loan Balance: $150,000.00
Loan Interest Rate: 7.50%
Loan Fees: 0.00%
Loan Term: 5 years
Minimum Payment: $3,000.00
Monthly Loan Payment: $3,000.00
Number of Payments: 61
Cumulative Payments: $180,415.43
Total Interest Paid: $30,415.43
Note: The monthly loan payment was calculated at $1,780.53 for 120 payments (10 years). Since this amount is less than the $3000 minimum, the term of the loan has beenshortened to 60 payments of $3000 plus a final payment of $415.4
It is estimated that you will need an annual salary of at least $360,000.00 to be able to afford to repay this loan. This estimate assumes that 10% of your gross monthly income will be devoted to repaying your student loans. This corresponds to a debt-to-income ratio of 0.4. If you use 15% of your gross monthly income to repay the loan, you will need an annual salary of only $240,000.00, but you may experience some financial difficulty.This corresponds to a debt-to-income ratio of 0.6.
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ok so now we've established that it will take you this long to repay $150,000
$3,626.84 = 4 years at 7.5%
$3,000 a month = 5 years at 7.5%
$2,000 a month = 8.5 years at 7.5%
$1,780.53= 10 years at 7.5%
and
$1,726.20 = 10 years at 6.8%
From this the OP should be able to make some good determinations as to his question.
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For reference, the tool I used is:
http://www.finaid.org/calculators/loanpayments.phtml
This tool is good to help estimate taxes: --LinkRemoved--