Graffiti Advertising, Incorporated, reported the following financial statements for the last two years. a. Calculate the operating cash flow. o. Calculate the operating cash flow. Note: Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32 . b. Calculate the change in net working capital. Note: Do not round intermediate colculations and round your answer to the nearest whole number, e.g. 32. c. Calculate the net capital spending. Note: Do not round intermediate calculations and round your answer to the nearest whole number, e.g. 32 . d. Calculate the cash flow from assets. Note: A negative answer should be indicated by a minus sign. Do not round intermediote colculations and round your onswer to the nearest whole number, e.g., 32. e. Calculate the cash flow to creditors. Note: Do not round intermediate calculations and round your answer to the nearest whole number, e.g. 32 . f. Calculate the cash flow to stockholders. Note: A negotive answer should be indicated by o minus sign. Do not round intermediote calculations and round your answer to the nearest whole number, e.g., 32