The following account balances come from the records of Ourso Company: Beginning Balance Ending Balance Accounts receivable $3,065 $3,610 Allowance for doubtful accounts 109 189 During the accounting period, Ourso recorded $12,700 of sales revenue on account. The company also wrote off a $106 account receivable Required a. Determine the amount of cash collected from receivables, b. Determine the amount of uncollectible accounts expense recognized during the period