Please complete part b and explain how to get the Allowance for Doubleful Account ?

Prepare the current assets section of the balance sheet for Sandhill Co. Assume that, in addition to the receivables, it has cash of $80,500, merchandise inventory of $135,000, and supplies of $9,100. (List Current Assets in order of liquidity.) Sandhill Co. uses an aging schedule to determine its estimated uncollectible accounts at December 31 . (a) Your answer is correct. Assuming the allowance for doubtful accounts has an unadjusted credit balance of $4,170 at December 31 , what is the bad debt expense for the year? Bad debt expense $