Given:
Estimated bad debts expense: 1/2% or 0.5% of credit sales.
2017
Accounts Receivable - 471,000
allowance for uncollectible accounts - 1,650
2018
Credit sales - 315,000
Credit collection - 319,000
Accounts receivable written off - 1,720
Bad debts expense 2018
315,000 * 0.5% = 1,575
Allowance for uncollectible account 2017: 1,650
less: Accounts receivable written off (1,720)
Allowance for uncollectible account (70) debit
Allowance for uncollectible account 2018:
(70) + 1,575 = 1,505
Calistoga's final balance in its allowance for uncollectible accounts at december 31, 2018, is $1,505