Sally’s financial year ends on 31 October. On 1 November 20–4 her trade receivables owed $5,840. During the year ended 31 October 20–5 she received $66,640 from trade receivables, after allowing cash discount of $1,360. Sales returns during the year totalled $2,430. On 31 October 20–5 the trade receivables owed $6,760.

How much were the credit sales?

A. $65,490

B. $69,510

C. $69,990

D. $71,350