Oriole Inc. is considering the purchase of a new machine for $165000. The machine will generate an annual cash flow before depreciation and taxes of $54600 for four years. At the end of four years, the machine will not have a salvage value. The company's rate of return is 10 percent, with a tax rate of 21%. What is the net after-tax cash flow per year? (Do not round intermediate calculations.) O $20129. O $77354. O $51797. O $40258