Waterway, Inc. includes the following account among its trade receivables.

Hopkins Co.
1/1		Balance forward		602	1/28		Cash (#1710)		946
1/20		Invoice #1710		946	4/2		Cash (#2116)		1,161
3/14		Invoice #2116		1,161	4/10		Cash (1/1 Balance)		133
4/12		Invoice #2412		1,470	4/30		Cash (#2412)		860
9/5		Invoice #3614		422	9/20		Cash (#3614 and part of #2412)		680
10/17		Invoice #4912		739	10/31		Cash (#4912)		739
11/18		Invoice #5681		1,720	12/1		Cash (#5681)		1,075
12/20		Invoice #6347		688	12/29		Cash (#6347)		688

Age the balance.