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	$	156,240	_______
March	3160		78,120	_______
February	6190		117,180	_______
January	91120		39,060	_______
Total receivables		$	390,600	100%

Calculate the percentage of amount due for each month.

April - 40%

March 20%

February 30%

January 10%

If the firm had $1,512,000 in credit sales over the four-month period, compute the average collection period. Average daily credit sales should be based on a 120-day period?