If I can buy a car today for $$$$7000$ and it is worth $$$$15$ comma $000$ in extra income to me next year because it enables me to get a job as travelling$$ salesperson, should I take out a loan from Larry the Loan Shark at an $80\%$ interest rate if no one else will give me a$$ loan? Will I be better or worse off as a result of taking out this$$ loan?

Part $2$

I

$$

should not

should

take out the loan from Larry the Loan Shark. As a result of taking out the$$ loan, I will be

$$

worse

better

off by

$$

$ $2400$

$ $15000$

$ $9400$

$ $5600$

assuming that without the loan I would buy the car after next year for the same price without a loan.