Answer:
1. Determine the amount of the adjusting entry for uncollectible accounts. $850 
Dr Bad debt expense 850
     Cr Allowance for doubtful accounts 850
2. Determine the adjusted balances of Accounts Receivable, Allowance for Doubtful Accounts, and Bad Debt Expense. 
- accounts receivable $430,000 
 - allowance for doubtful accounts $4,850 
 - bad debt expense $4,850 
 
3. Determine the net realizable value of accounts receivable.
- $430,000 - $4,850 = $425,150
 
Explanation:
accounts receivable balance $430,000
allowance for doubtful accounts balance $4,000
total sales for the year $1,940,000
total bad debt expense = 0.25% x $1,940,000 = $4,850
adjusting entry = $4,850 - $4,000 = $850