Problem $2$: Calculating Present Values. For each of the following, compute the present value:

$\backslash$table$[[,$Present Value $($$$),$Years,Interest Rate,Future Value $($$$),$Points$],[2$ a$,?,5,5\mathrm{.}00\%,1,200\mathrm{.}00,2\mathrm{.}5],[2$ b$,?,8,7\mathrm{.}50\%,2,600\mathrm{.}00,2\mathrm{.}5],[2$ c$,?,16,15\mathrm{.}00\%,14,400\mathrm{.}00,2\mathrm{.}5],[2$ d$,?,22,24\mathrm{.}00\%,116,000\mathrm{.}00,2\mathrm{.}5]]$