SheffieldClothing Store had a balance in the Accounts Receivable account of $760000 at the beginning of the year and a balance of $810000 at the end of the year. Net credit sales during the year amounted to $3925000. The average collection period of the accounts receivable in terms of days was

A. 62.4 days.

B. 146.0 days.

C. 75.1 days.

D. 73.0 days.

please include equation so i can learn how to do this myself. Thank you.