awal co. has a proposed project that will generate sales of 1273 units anually at a selling price of $26 each . the fixed costs are $12249 and the variable costs per unit are $4.32. the project requires $29444 of fixed assers that will be depreciated on a straight-line bases to a zero book value over the 7-year life of the project. the salvage value of the fixed assets is $8,100 and the tax rate is 28 percent. what is the operating cash flow?