How do I prepare the analysis and journal entries to the below questions a, b, and c using the information given in this problem?

Use the information below to answer the questions that follow. Wiggins Corporation utilizes an accounting software package that is capable of producing a detailed aging of outstanding accounts receivable.Following is the aging schedule as of December 31, 20X2.

AGE AMOUNT OUTSTANDING

0 to 30 days $1,200,000

31 to 60 days 700,000

61 to 120 days 200,000

Over 120 days 25,000

Casper Wiggins has owned and operated Wiggins Corporation for many years and has a very good sense of the probability of collection of outstanding receivables, based on an aging analysis.The following table reveals the likelihood of collection:

AGE PROBABILITY OF COLLECTION

0 to 30 days 98%

31 to 60 days 90%

61 to 120 days 75%

Over 120 days 50%

(a) prepare aging analysis, and show how accounts receivable and the related allowance for uncollectibles should appear on the balance sheet at December 31.

(b) Prepare the necessary journal entry to update the allowance for uncollectibles, assuming the balance prior to preparing the aging was a $15,000 credit.

(c) Prepare the necessary journal entry to update the allowance for uncollectibles, assuming the balance prior to preparing the aging was a $5,000 debit.How could the allowance account have contained a debit balance?