Method and product for calculating a net operating income audit and for enabling substantially identical audit practices among a plurality of audit firms

A method comprising:

• deploying a copy of a computer program to each of a plurality of audit firms, each of the audit firms operating independently of each other and having a reporting relationship with a common investment entity, each of the plurality of audit firms conducting an audit of a real estate property and generating an associated set of current net operating income (NOI) values, each copy of said computer program including an interactive global NOI audit model and user-viewable standards, procedures, documentation, and reporting requirements, said computer program operating to receive a first input data associated with the respective real estate property and to generate a respective current NOI audit report associated with each of said real estate properties, each of the audit firms having a computer system comprising a plurality of computers, said deploying resulting in each of the computer systems executing said computer program;
• using at least some of said computer systems to input said respective first input data by at least some of the audit firms to said computer program;
• and
• receiving by the investment entity a plurality of current NOI audit reports, each of said reports being generated by execution of a copy of said computer program on one of said computer systems and reflecting said received associated first input data, wherein all said received current NOI audit reports have been developed by substantially similar audit practices resulting from the audit firms using said interactive global NOI audit model and user-viewable standards, procedures, documentation, and reporting requirements.