The following is a portion of the current asset section of the balance sheets of HiROE Co., at December 31, 2020 and 2019: 12/31/20 12/31/19 Accounts receivable, less allowance for uncollectible accounts of $9,100 and $3,600, respectively $155,900 $131,400 Required: b. If bad debts expense for 2020 totaled $9,500, what was the amount of accounts receivable written off during the year? (Hint: Use the T-account model of the Allowance account, plug in the three amounts that you know, and solve for the unknown.)