15. Route Canal Shipping Company has the following schedule for aging of accounts receivable:

Age of Receivables April 30, 20X1
(1)	(2)	(3)		(4)
Month of Sales	Age of Account	Amounts		Percent of Amount Due
April	030	$	227,010	_______
March	3160		129,720	_______
February	6190		194,580	_______
January	91120		97,290	_______
Total receivables		$	648,600	100%

a. Calculate the percentage of amount due for each month.

Month of Sales	Percent of Amount Due
April		%
March		%
February		%
January		%
Total receivables	100	%

b. If the firm had $1,692,000 in credit sales over the four-month period, compute the average collection period. Average daily sales should be based on a 120-day period.

Average collection period

days

1