A company has sales of $16,000,000, costs of $5,000,000, and a depreciation expenditure of $5,000,000. The company pays taxes at a rate of 21% and paid $1,500,000 in interest expenses. The company also increased its net working capital by $1,000,000. What would be the companys operating cash flow (OCF) this year?

A. $5,055,000 B. $9,055,000 C. $9,740,000 D. $10,055,000 E. $11,240,000

Can you please explain the steps to finding the answer? Thank you