Sarah invests $$3,000$ in an account that pays five percent simple interest. How much more could she have earned over a seven$-$year period if the interest had compounded annually?Question $15$ options: $$122\mathrm{.}20$ $$129\mathrm{.}20$ $$147\mathrm{.}80$ $$171\mathrm{.}30$ None of the above