Vasguez Corporation had a 1/1/20 balance in the Allowance for Doubtful Accounts of $20,000 CR. During 2020, it wrote off $14,400 of accounts and collected $4,200 on accounts previously written off. The balance in Accounts Receivable was $400,000 at 1/1/20 and $480,000 at 12/31/20. At 12/31/20, Vasguez estimates that 5% of accounts receivable will prove to be uncollectible. What is Bad Debt Expense for 2020?

a. $14,200
b. $24,000
c. $18,400
d. $4,000