plz do 2C only

Costco's Auto Part uses the aging method to estimate bad debt expense. At the end of 2022 , the company had an accounts receivable balance of 576,500 and a pre-adjustment debit balance in the allowance for doubtful accounts of $2,380. The company had the following analysis of accounts receivable at the cnd of 2022 : Costco's Auto Parts has a December 31 year end. Required: a) Calculate the desired ending balance of the allowance for doubtful accounts at the end of 2022 . (3 marks) b) Prepare the journal entry to record bad debt expense at year end, ( 3 marks) c) Assume that a receivable of $1,550 is written off on January 15, 2023, give the journal entry to record the write-off by Costco's auto Part. (2 marks)