Domino Company ages its accounts receivable to estimate uncollectible accounts expense. Domino began Year $2$ with balances in Accounts Receivable and Allowance for Doubtful Accounts of $$42,090$ and $$3,260,$ respectively. During Year $2,$ the company wrote off $$2,520$ in uncollectible accounts. In preparation for the company's estimate of uncollectible accounts expense for Year $2,$ Domino prepared the following aging schedule: