At January 1, 2002, Betty DeRose, Inc. had an allowance for bad debts with a $2,700 credit balance. During 2002, Betty wrote-off accounts receivable as uncollectible in the amount of $850. The aging schedule below was prepared by Betty DeRose, Inc. at December 31, 2002:
Accounts Receivable % Uncollectible
not past due $180,000 2%
1-30 days past due 40,000 5%
31-60 days past due 20,000 8%
61-90 days past due 10,000 20%
over 90 days past due 8,000 40%
Based on the above information, calculate the amount of bad debt expense recorded by Betty DeRose for 2002. Do not use decimals in your answer.