a company uses the percent of sales method to determine its bad debts expense. at the end of the current year, the company's unadjusted trial balance reported the following selected amounts: accounts receivable $ 300,000 debit net sales 750,000 credit all sales are made on credit. based on past experience, the company estimates 0.6% of net sales to be uncollectible. what adjusting entry should the company make at the end of the current year to record its estimated bad debts expense?