For several years, Lucky Co's sales have been on a "cash only" basis. On January 1, 204, however, Lucky Co. began offering credit on terms of n/30. The amount of the adjustment to record the estimated uncollectible receivables at the end of each year has been of 1% of credit sales, which is the rate reported as the average for the industry. Credit sales and the year-end credit balances in Allowance for Doubtful Accounts for the past four years are as follows:

Katie Lucky, president of Lucky Co., is concerned that the method used to account for and write off uncollectible receivables is unsatisfactory. She has asked for your advice in the analysis of past operations in this area and for recommendations for change.

1. Determine the amount of (a) the addition to Allowance for Doubtful Accounts and (b) the accounts written off for each of the four years.
2. a. Advise Katie Lucky as to whether the estimate of of 1% of credit sales appears reasonable.

b. Assume that after discussing (a) with Katie Lucky, she asked you what action might be taken to determine what the balance of Allowance for Doubtful Accounts should be at December 31, 20Y7, and what possible changes, if any, you might recommend in accounting for uncollectible receivables. How would you respond?

\begin{tabular}{|l|l|l|} \hline Year & Credit Sales & Allowance for Doubtful Accounts \\ \hline 20Y4 & $4,000,000 & $5,000 \\ \hline 20Y5 & $4,400,000 & $8,250 \\ \hline 20Y6 & $4,800,000 & $10,200 \\ \hline 20Y7 & $5,100,000 & $14,400 \\ \hline \end{tabular}