The following information is related to December 31, 2021 balances. Accounts receivable $1400000 Allowance for doubtful accounts (credit) (100000) Cash realizable value 1000000 During 2022 sales on account were $350000 and collections on account were $200000. The company wrote off $20000 in uncollectible accounts. An analysis of outstanding receivable accounts at year end indicated that bad debts should be estimated at $140000. Bad debt expense for 2022 is:

A. $60000.

B.$140000.

C.$20000.

D.$40000.