Brown Corp. ended the year with balances in Accounts Receivable of $60,000 and in allowance for doubtful accounts of $800 (balance before adjustment). Net sales for the year amounted to $200,000. Identify and analyze the effect of adjustment at the end of the year assuming the following: 1. Estimated percentage of net sales uncollected is 1%. 2. Estimated percentage of year-end accounts receivable uncollected is 4% Please help