At the beginning of the year, a firm has current assets of $380 and current liabilities of $210. At the end of the year, the current assets remain at \$430 and the current liabilities $210. What is the change in net working capital? 510 70 550 530 A firm has $1000 in inventory, $6000 in fixed assets, $2000 in accounts receivables, $1000 in accounts payable, and $1,500 in cash. What is the anount of the current assets? 57.500 $8,500 57.500 54.500 Your firm has net income of $273 on total sales of $1,240. Costs are $690 and depreciation is $186, The tax rate is 25 percent. The firm does not have interest expenses. What is the operating cash flow? 3403 5459 $473 5293 5320