our firm has net income of $316 on total sales of $1,160. Costs are $650 and depreciation is $110. The tax rate is 21 percent. The firm does not have nterest expenses. What is the operating cash flow? Multiple Chaice $510 3426 1400 At the beginning of the yeat, a firm has current assets of $313 and current labilities of $217. At the end of the year, the current assets are $463 and the current liablities are $257. What is the change in net working capital? Muriple Choice 5110 510 1150 5190