At the end of year one, Boller Co$.$ had an ending balance in allowance for uncollectible accounts of

$$30,000.$ During year two, Boller wrote$-$off $$40,000$ of accounts receivable. At the end of year two,

Boller had $$300,000$ in accounts receivable and determined that $8\%$ of these would be uncollectible.

Required:

a$)$ Prepare all appropriate journal entries relative to uncollectible accounts and bad debt expense.

b$)$ What amount should be reported as bad debt expense on Boller's year two income statement?