For 2021, Randall's Labs estimates bad debt expense at of credit sales. The company reported accounts receivable and an allowance for doua accounts of 596 500 and $4500, respectively at December 2020 During 2021, Randalls Labs credit sales and collections were $424 000 and $428 000 respectively and $5.340 in accounts receivable were written oft Randall's final balance in its lowance for uncollectible accounts at December 31, 2021 is: . ) None of the other answer 511480