The assumption that your friend makes is to increase his income gradually by less-paying methods.
What do you mean by Graduated Repayment Plan?
The graduated repayment plan may be defined as a kind of federal student loan repayment plan that gradually increases your monthly payment over time.
The definition of a Graduated Repayment Plan illustrates that the monthly repayment will increases definitely over time. So, your friend makes the same assumptions before choosing it.
Therefore, it is well described above.
To learn more about Graduated Repayment Plan, refer to the link:
https://brainly.com/question/25246413
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