The following data (in millions) are taken from the financial statements of Target Corporation: Recent Year Prior Year Revenue $72,618 $71,279 Operating expenses 68,083 66,109 Operating income $ 4,535 $ 5,170 a. For Target Corporation, determine the amount of change in millions and the percent of change (round to one decimal place) from the prior year to the recent year for: Revenue Operating expenses Operating income (For those boxes in which you must enter negative numbers use a minus sign.)