Larsen Company began the current year with balances in accounts receivable and aliowance for doubtful accounts of $54,700 and $4,620, respectively. The company reported credit sales of $479,750 during the year, coliected $516,200, and wrote off $4,400 of uncollectible accounts. Larsen Company estimates that 10% of its accounts receivable balance will be uncollectible.

 Required:

 a. Compute Larsen Company's uncollectible accounts expense for the current year.

b. Determine Larsen's net realizable value of accounts receivable as of the end of the current year.