On January 1, 2011 Grace Company had an $13,500 balance in the Accounts Receivable account and a zero balance in the Allowance for Doubtful Accounts account. During 2011, Grace provided $55,500 of service on account. The company collected $48,110 cash from account receivable. Uncollectible accounts are estimated to be 13% of sales on account..Based on this information, the amount of cash flow from operating activities that would appear on the 2011 statement of cash flows is: