A fast$-$food company invests $$2\mathrm{.}4$ million to buy machines for making slurpies. These can be depreciated using the MACRS schedule shown above. If the cost of capital is $10\%,$ what is the increase in the net present value $($NPV$)$ of the product gained by using MACRS depreciation over straight$-$line depreciation for three years? A$)$ $$34,452$ B$)$ $$66,782$ C$)$ $$78,084$ D$)207702$