Calistoga Produce estimates bad debt expense at 0.20% of credit sales. The company reported accounts receivable and allowance for uncollectible accounts of $475,000 and $1,500 respectvely, at December 31, 2017. During 2018, Callstoga's credit sales and collections were $318,000 and $312,000 respectively, and $1780 in accounts receivable were written off Calistoga's 2018 bad debt expense is: 28 Multiple Choice $456 $624. $1,600 636