The balance in Accounts Receivable at the beginning of the period amounted to $2,000. During the period $7,520 of credit sales were made to customers. If the ending balance in Accounts Receivable amounted to $1,300, and uncollectible accounts expense amounted to $520, then the amount of cash inflow from customers that would appear in the operating activities section of the cash flow statement would be: Multiple Choice $9,520. $7,700. $7,520. None of these answers are correct.