Mazarina starts the year with a $$5,000$ allowance for doubtful debts $($debit balance$).$ During the year, Mazarina has $$450,000$ of receivables and estimates that $2\%$ will be uncollectible given past business experience.Assuming Mazarina utilises the percentage of receivables approach, calculate bad debt expense.Group of answer choicesNone of the other alternatives$$14,000$$$4,000$$$9,000$