help with both questions please

Given the following income statement data, calculate the following for Problems 21 and 22 : Total equity $505.6, net sales $4,200, cost of goods sold =$2,650, depreciation =$610, interest expense $200, operating expenses $580, tax rafe 21%. Dividend payout ratio is 50%. 21. (5 points) Please calculate the operating cash flow. $4,2002,650580 Taxes ( sales-coss-axes) -tater 610 \begin{tabular}{l} EBIT =940 \\ Dep +610 \\ Taxes 882 \\ \hline 668 \end{tabular} 22. ( 5 points total) Please calculate the sustainable growth rate ( 3 points). Please define and explain the sustainable growth rate you just calculated ( 2 points)