Megan's products is undecided about which base to use in estimating uncollectible accounts. On December 31,2014 the balance in accounts receivable was 680,000 and net credit sales amounted to 3,8000,000 during 2014. An aging analysis of the accounts receivable indicated that 40,000 in accounts are expected to be uncollectible. Past experience has shown that about 1% of net credit sales eventually are uncollectible. Prepare the adjusting entries to record estimates bad credit expense using the percentage of sales basis and the percentage of receivable basis under each of the following independent assumptions 1) allowance for Doubtful Accounts has a credit balance of 3,200 before adjustment 2) Allowance for Doubtful Accounts has a debit balance of 730 before adjustment