11. Wiggen Company began the year with $2,500 in accounts receivable and $40 in allowance for doubtful accounts. At the end of the year, Wiggen reported $2,650 in accounts receivable and $50 in allowance for doubtful accounts in its balance sheet. Accounts written off during the year totaled $7, and there were no recoveries of accounts written off. Credit sales totaled $17,000. What were Wiggens cash collections from customers during the year?

a. $16,843

b. $16.850

c. $16,857

d. $17,150

e. None of the above