6 Canyon Tours showed the following components of working capital last year. 10 Beginning of Year $ 27,200 13,600 16,180 Accounts receivable Inventory Accounts payable End of Year $ 24,600 15,702 19,700 points eBook a. What was the change in net working capital during the year? (A negative amount should be indicated by a minus sign.) Change in net working capital Print References b. If sales were $37,600 and costs were $25,600, what was cash flow for the year? Ignore taxes, Cash flow