http://numsum.com/spreadsheet/show/65424 Wed, 20 Feb 2008 15:14:51 GMT Will calculate interest on a monthly finance charge of 5% and will help calculate what James owes 30 Days past Due: 66.375<br/> Invoice Number: 852<br/> Due Date: 07/31/2007 Wed, 20 Feb 2008 15:14:51 GMT http://numsum.com/spreadsheet/show/65424 30 Days past Due: 35.107<br/> Invoice Number: 830<br/> Due Date: 04/03/06 Wed, 20 Feb 2008 15:14:51 GMT http://numsum.com/spreadsheet/show/65424 30 Days past Due: 23.9295<br/> Invoice Number: 822<br/> Due Date: 03/21/06 Wed, 20 Feb 2008 15:14:51 GMT http://numsum.com/spreadsheet/show/65424 30 Days past Due: 125.4115<br/> Invoice Number: Total Wed, 20 Feb 2008 15:14:51 GMT http://numsum.com/spreadsheet/show/65424