Mow, assume that the borrower must repay the loan in a single payment before the end of the month [i.e. before they earn more income). The borrower can only use one month's income for repayment, since they are unable to save. 3. 'What is the borrower's monthly disposable income [exclusive of essential purchases) with a loan, under the assumptions mentioned above? Express your answer as a function of v, , k, and the loan amount L