Refer to information about Carter Corporation in the preceding problem.

a. What was the change in accounts receivable during 2012?

b. Inventories increased by $624.1 during 2012. What was the change in accounts payable for inventories during 2012?

c. By how much did the amount paid for interest during 2012 differ from interest expense? Give the amount and indicate whether the amount paid exceeded, or was less than, expense.