The following account balances come from the records of Ourso Company:

	beginning balance	ending balance
accounts receivable	3,173	3,409
allowance for doubtful accounts	103	185

During the accounting period, Ourso recorded $12,550 of sales revenue on account. The company also wrote off a $173 account receivable.

Required

a. Determine the amount of cash collected from receivables.

b. Determine the amount of uncollectible accounts expense recognized during the period.