Al's Sport Store has sales of $897,400, costs of goods sold of $628,300, inventory of $208,400, and accounts receivable of $74,100. How many days, on average, does it take the firm to sell its inventory assuming that all sales are on credit? a. 74.19 days.b. 84.76 days.c. 121.07 days.d. 138.46 days.e. 151.21 days.