Answer:
bad debt expense for the year ended 2017 will be 28,400 dollars
Step-by-step explanation:
The year-end accounts receivables shold be considering the ending accounts receivables:
Accounts receivable at year-end: 960,000
expected uncollectible 5% of 960,000: 48,000
beginning allowance: 40,000
wrote-off (28,800)
recovery accounts 8,400
unadjusted balance: 19,600
ending balance: 48,000
adjusment: 28,400
bad debt expense for the year ended 2017 will be 28,400 dollars