LO 7.2Why must the Accounts Receivable account in the general ledger match the totals of all the subsidiary Accounts Receivable accounts?

LO 7.2Why would a company use a subsidiary ledger for its Accounts Receivable?

LO 7.2If a customer owed your company $100 on the first day of the month, then purchased $200 of goods on credit on the fifth and paid you $50 on fifteenth, the customer’s ending balance for the month would show a (debit or credit) of how much?