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 an 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?