GM Company has a balance of $17,000 in accounts receivable (A/R) at year-end, of this amount $1.700 is beyond 30 days overdue. There is a credit balance of $170 in the allowance for doubtful accounts (ADA) of GM before any year-end adjustments. GM estimates that 2.0% of current accounts and 12% of accounts beyond thirty days are uncollectible. GM uses the aging of A/R method. Bad debt expense is what amount? Multiple Choice O None of the other answers are correct. O $170 O $510. $680. $340