At the beginning of january of the current year, little mikey's catering ledger reflected a normal balance of $53,000 for accounts receivable. during january, the company collected $15,000 from customers on account and provided additional services to customers on account totaling $12,600. additionally, during january one customer paid mikey $5,100 for services to be provided in the future. at the end of january, the balance in the accounts receivable account should be: