Option $2$: You are also offered a $60$ month loan at $3\mathrm{.}95\%$ with zero down payment.

Option $2$ a$).$ If you took this offer, what would your monthly payments for this car loan be$?$

Option $2$ b$).$ After you have repaid the loan in option $2,$ what is the total amount you will have

paid toward the loan? Assume you only make the minimum monthly payments and do not pay

off any part of the loan early.