Canyon tours showed the following components of working capital last year: beginning of yearend of year accounts receivable$ 25,40023,700 inventory12,70013,900 accounts payable15,20017,900 a. what was the change in net working capital during the year? (a negative amount should be indicated by a minus sign.) b. if sales were $36,700 and costs were $24,700, what was cash flow for the year? ignore taxes.

John has served as the chief operating officer (coo) for business graphics, inc., a publicly owned firm, the past 5 years. which of the following statements about john is correct? both john and the ceo of business graphics must certify to the sec that the firm's financial statements are accurate. as the coo, john will be ranked higher than the ceo but still below the cfo. in john's postition as the coo, it is highly unlikely that he would also be the chairperson of the board of directors. as the coo, john would typically be involved with accounting, finance, and asset purchase decisions.