This explanation is helpful.

Because this clause wasn't in the lease agreement,You hear these kinds of excuses and explanations (vary by circumstances) everywhere you go nowadays.We're becoming a nation where the Law is subject to personal excuses by indviduals that aren't suposed to interpret laws.

The IRS defines a “quality” cost segregation study as “a study that is both accurate and well documented with regard to” 1) the classification of property into classes, 2) Explanation of rationale for the classification of the property and 3) substantiation of the cost basis of each asset and reconciliation of the total allocated costs to total actual costs.

It's nice to see some math justifying your explanation even with the many variables of uncertainty.  

For a detailed explanation, see an earlier comment by @Ashish Acharya.Assumptions are not controversial, either.

Anyone considering a course or solution would find your insights valuable.You don’t owe anyone an explanation.

Michael-  Great explanation of the property classes and appreciation vs cash flow outcomes.

See below for explanations, with headings taken from the attached document.Broken windows or exterior doors-The two narrow windows in the living room do not fit into the walls properly.

With the explanation that they've been good about updates and have a plausible reason for the pause.

Without doing a deep dive explanation on this forum, I will say that everyone can play with numbers to create whatever picture you want.