determine the amount to be added to allowance for doubtful account in each of the following cases and indicate the ending balance in each case. credit balance of $200 in allowance for doubtful accounts just prior to adjustment analysis of accounts receivable indicates uncollectible receivable of $8,000. Credit balance of $2,000 in allowance for doubtful account just prior to adjustment uncollectible are estimated at 2% of credit sales which totaled $1,000,000 for the year