The accounts receivable clerk for Waddell Industries prepared the following partially completed aging of receivables schedule as of the end of business on August 31:

1	A	B	C	D	E	F	G
2				Days Past Due	Days Past Due	Days Past Due	Days Past Due
3	Customer	Balance	Not Past Due	1-30	31-60	61-90	Over 90
4	Acme Industries Inc.	3,000.00	3,000.00
5	Alliance Company	4,500.00		4,500.00
6	~~~~~	~~~~~	~~~~~	~~~~~	~~~~~	~~~~~	~~~~~
7	Zollinger Company	5,000.00			5,000.00
8	Subtotals	1,050,000.00	600,000.00	220,000.00	115,000.00	85,000.00	30,000.00

The following accounts were unintentionally omitted from the aging schedule and not included in the preceding subtotals:

Customer	Balance	Due Date
Builders Industries	$44,500	May 1
Elkhorn Company	21,000	June 20
Granite Creek Inc.	7,500	July 13
Lockwood Company	14,000	September 9
Teton Company	13,000	August 7

Required:

A.	Determine the number of days past due for each of the preceding accounts as of August 31. If an account is not past due, enter a zero.
B.	Complete the aging of receivables schedule by adding the omitted accounts to the bottom of the schedule and updating the totals. If an amount box does not require an entry, leave it blank.

Waddell Industries has a past history of uncollectible accounts, as follows.

Age Class	Percent Uncollectible
Not past due	3%
130 days past due	4
3160 days past due	15
6190 days past due	35
Over 90 days past due	80

Estimate the allowance for doubtful accounts, based on the aging of receivables schedule you completed in Exercise 9-8.