$1.$ Assume you borrow $10,000\mathrm{.}00$ per year for four years of college. If the interest is deferred and compounded annually at $7$ percent, how much will you owe at the end of $4$ years when you graduate?

$2.$ Using the information form above, if the loans continue to charge $7\%$ compounded annually and you make $3,600\mathrm{.}00$ annual payments $(300\mathrm{.}00$ a month$)$ how long will it take to pay off your student loans?

$3.$ Housing prices vary a great deal if you save $2,000\mathrm{.}00$ a year by renting a cheaper place and borrowed $8,000\mathrm{.}00$ per year for four years with deferred interest at $7\%$ compounded annually, how much will you owe at the end of four years?

$4.$ How long will it take to pay off this loan at $3,600\mathrm{.}00$ if the interest rate continues to be $7\%$ compounded annually?