the vaslor corporation has a $4,300 credit balance in the allowance for Uncollectible Accounts account before any adjusting journal entry has been made. based on prior experience the credit department estimates that 1.6% of sales are uncollectible. net sales for the year are $1,122,000. an aging analysis was also prepared and the aging result was $20,000. prepare the appropriate journal entry to record uncollectible accounts expense if the percentage of net sales method is used. prepare the appropriate journal entry to record uncollectible accounts expense if the accounts receivable aging method is used. calculate the allowance for uncollectible accounts ending balance if the percentage of net sales method was used. calculate the allowance for uncollectible accounts ending balance if the accounts receivable aging method was used.