Given the following income statement data, calculate operating cash flow: net sales=$8,400 cost of goods sold=$5,300; operating expenses=$1,160; depreciation=$1,220; interest expense =$400; tax rate =35%. Also, assuming the company paid out $400 in dividends, What is the addition to retained earnings? Please show step by step of the problem, I am really trying to get this, but it is so confusing.