Problem 2-6 Calculating OCF (LO4) Graff, Incorporated, has sales of $51,000, costs of $23,400, depreciation expense of $2,350, and interest expense of $2,100. If the tax rate is 25 percent, what is the operating cash flow, or OCF? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) Operating cash flow Problem 2-7 Calculating Net Capital Spending (L04) Wallace Driving School's 2020 balance sheet showed net fixed assets of $4 million, and the 2021 balance sheet showed net fixed assets of $4.2 million. The company's 2021 income statement showed a depreciation expense of $350,000. What was net capital spending for 2021? (Do not round intermediate calculations and enter your answer in dollars, not millions of dollars, e.g., 1,234,567.) Net capital spending