$PVof$ costs $=-$$$294,000-$$$41,620($ PVIFA ${?}_{(}()()10)\%,3)+($$$45,\frac{240}{{1\mathrm{.}10}^3})$

$PVof$ costs $=-$$$363,513\mathrm{.}30.$ CAN YOU EXPLAIN HOW TO COMPUTE THE PVIFA IN A BAII PLUS. TO SHOW HOW HOW THE FINAL ANSWER WAS COMPUTED