Key comparative figures for Apple and Google follow.

Apple Google
Current Current
$ millions Year Prior Year Year Prior Year
Accounts receivable $15,754 $16,849 $14,137 $11,556
Net sales 215,639 233,715 90,272 74,989

Required:
a. Compute days’ sales uncollected for (a) Apple and (b) Google for the current and prior years.
b. Which company had more success collecting receivables?