HELP! I am tearing my hair out with this, and can find absolutely nothing mac based. I am one of a two lawyer firm who does real estate and association law. I am not fond of collections but it is part of our work. I can';t find anything to do what I need. This would be a very simple application but I have to find someone to write it. An enterprising programmer could probably find a market with this type of application. This would involve calculation of per annum interest (easy) per line item of delinquent assessment (principal). Then I need to be able to allocate payment to principal, interest, late fees, attorneys's fees and costs for each line item "assessment." Finally, the percentage applied to each needs to be flexible - condo law is not the same as homeowner association law, and some clients prefer a different method of application. Still, that would be only two or three possible algorithms. Can anyone help me?