During 2019, Tammy Co. recorded bad debt expense of

$15,000

and wrote off an uncollectible receivable amounting to

$5,000

. Assuming a credit balance of

$10,000

in the allowance for doubtful accounts at January 1, 2019, what would be the balance of the allowance account at December 31, 2019? Zero.

$5,000

$20,000

$15,000