11. Which of the following statements is most correct about "days sales outstanding" (DSO) ratio for accounts receivables? a. Other things held constant, the higher a firm's "days sales outstanding" (DSO) ratio, the better its credit department. b. If a firm that sells on terms of net 30 changes its policy and begins offering all customersterms of 2/10, net 30 days, and if no change in sales volume occurs, then the firm's DSOratio will probably increase. c. If a firm sells on terms of 2/10, net 30 days, and its DSO ratio is 30 days, then its agingschedule would probably show some past due accounts. d. Choices (a) and (c) are correct