Problem 2-6 Calculating OCF [LO 2] Graff, Incorporated, has sales of $43,080, costs of $13,920, depreciation expense of $3,070, and interest expense of $2,240. The tax rate is 23 percent. What is the operating cash flow, or OCF? Note: Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32. Operating cash flow $ 21,541