Logan Hunting has a proposed project that will generate sales of $2,200$ units annually at a selling price of $$29\mathrm{.}95$ each. The fixed costs are $$15,000$ and the variable costs per unit are $$6\mathrm{.}95.$ The project requires $$42,000$ of fixed assets that will be depreciated on a straight$-$line basis to a zero book value over the four$-$year life of the project. The salvage value of the fixed assets is $$5,500$ and the tax rate is $21$ percent. What is the operating cash flow for Year $4?$a$.$ $$42,179$b$.$ $$22,564$C$.$$$30,329$d$.$$$19,829$e$.$$$21,124$