The Completely Natural Gardening Center is considering installing a new overhead sprinkling system. The expected net increase in annual operating cash flows is $40,000 and the expected net increase in annual depreciation charges is $8,000. If Completely Natural has a 40 percent tax rate, the annual incremental cash flow is ________.
A. $24,000
B. $27,200
C. $32,000
D. $28,800