Karma Is Us Co. uses the percentage of sales approach each period to estimate uncollectible accounts. During the current year, Karma determined that bad debt expense should be $ 11,250. Assuming an opening debit balance in the allowance for doubtful accounts of $ 950, what adjustment should be made to the allowance for doubtful accounts during the current year? a) credit for $ 12,200 b) credit for $ 10,300 c) credit for $ 11,250 d) no adjustment required