Corker Company has provided the following information for 2019: 1) The allowance for doubtful accounts balance at the beginning of the year was $5,500 (credit balance) 2) The allowance for doubtful accounts balance at the end of the year (after adjusting entries) was $3,500 (credit balance) 3) Accounts receivable written-off as uncollectible during 2019 amounted to $3,500. How much bad debt expense did Corkerr Company record in 2019? Do not use decimals or dollar signs