The unadjusted net accounts receivable on the books of Elantra Ltd. as of 31 December 20X4 are as follows:

Accounts receivable	$ 250,000
Less: Allowance for doubtful accounts	40,000
	$ 210,000
40% of the accounts are current and 5% might not be collected, and the remainder is past due and 30% might not be collected. Required: Calculate the bad debt expense, the balance in the allowance for doubtful accounts, and the net accounts receivable on the SFP at the end of 20X4.