Gold Clothing Store Had a Balance in the Accounts Receivable $£ 810,000$

Gold Clothing Store had a balance in the Accounts Receivable account of $£ 810,000$ at the beginning of the year and a balance of $£ 850,000$ at the end of the year. Net credit sales during the year amounted to $£ 6,640,000$ . The average collection period of the receivables in terms of days was

A) $91.3$ days.
B) $45.6$ days.
C) 30 days.
D) $46.7$ days.