Assuming that all debts to A/R represents sales on account how much was collected from the customer during the month of July

An incomplete A/R T-account for the month of July is as follows; Accounts Receivable Cr 1-July 27000 7-July 120000 71-July 42000 Assuming that all debits to A/R represent sales on account, how much was collected from customer during the month of July