A company sells its product subject to a warranty that covers the cost of parts for repairs during the six months after the date of sale. Warranty costs are estimated to be 5% of sales. During the month of July, the company performed warranty work and used $11,000 of parts to perform the warranty work. Sales for July were $450,000. Record the warranty expense for the month of July. Record the costs of the warranty work completed in June. If the Estimated Warranty Liability account had a credit balance of $10,000 on May 31. what is the account balance at June 30