Delta Company has found that, historically, 1/2 percent of its current accounts re- ceivable, 1 percent of accounts 1 to 30 days past due, 1 1/2 percent of accounts 31 to 60 days past due, 3 percent of accounts 61 to 90 days past due, and 10 percent of accounts over 90 days past due are uncollectible. The following schedule shows an aging of the accounts receivable as of December 31, 2000: Balance Days Past Due Current 1-30 31-60 61-90 Over 90 $45,600 $9,850 $4,100 $850 $195 The balances at December 31, 2000, in selected accounts are as follows. (Assume that the allowance method is used.) Sales revenue..... Sales returns..... Allowance for bad debts. $120,096 1,209 113 (credit balance) 1. Given these data, make the necessary adjusting entry (or entries) for uncollectible accounts receivable on December 31, 2000. 2. On February 14, 2001, Lori Jacobs, a customer, informed Delta Company that she was going bankrupt and would not be able to pay her account of $46. Make the appropriate entry (or entries). 3. On June 29, 2001, Lori Jacobs was able to pay the amount she owed in full. Make the appropriate entry (or entries). 4. Assume that Allowance for Bad Debts at December 31, 2000, had a debit bal- ance of $113 instead of a credit balance of $113. Make the necessary adjusting journal entry that would be needed on December 31, 2000.