Pat is analyzing a gizmo project and have developed the following estimates: gizmo unit sales = 543,000, price per unit = $43, variable cost per unit = $28, fixed costs per year = $297,400. The depreciation is $48,000 a year and the tax rate is 25 percent. What effect would the sale of one more gizmo unit have on the operating cash flow? O $10.84 O $15.70 O $15.00 $11.25 $16.30