for 2021, Rahal's Auto Parts estimates bad debt expense at 2% of credit sales. The company reported accounts receivable and an allowance for uncollectible accounts of $93,000 and $3,400, respectively, at December 31, 2020. During 2021, Rahal's credit sales and collections were $417,000 and $421,000, respectively, and $3,640 in accounts receivable were written off. Rahal's 2021 bad debt expense is:

The following information is needed to reconcile the cash balance for gourmet catering services.* a deposit of $5,600 is in transit.* outstanding checks total $1,000.* the book balance is $6,400 at february 28, 2019.* the bookkeeper recorded a $1,800 check as $17,200 in payment of the current month's rent.* the bank balance at february 28, 2019 was $17,410.* a deposit of $400 was credited by the bank for $4,000.* a customer's check for $3,300 was returned for nonsufficient funds.* the bank service charge is $90.what was the adjusted book balance?