On August 12, a company provides services on account to a customer for $3.600 Howevet, on August 16 , the cuntomer is not completely satisfied with the sevice and the company grants an allowance on the amount owed of $450. On August 20 , the customer makes full poyment of the belance owed, excluding the allowance. Record the services prowided on August 12, the sales allowance on August 16, and the cash collection on August 20 : (if no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field) Journal entry worksheet