assume zap industries reported the following adjusted account balances at year-end. 20212020 accounts receivable$ 1,650,200$ 1,300,920 allowance for doubtful accounts(88,000)(72,700) accounts receivable, net$ 1,562,200$ 1,228,220 assume the company recorded no write-offs or recoveries during 2021. what was the amount of bad debt expense reported in 2021? multiple choice $88,000 $72,700 $30,600 $15,300