Gross potential income- 100% occupancy (the most the property could bring in) 

Operating expenses- Day to day operations   

Non operating expenses- Interest on debt , non core related activities/ restructuring of the property 

NOI- Net operating Income = Gross income - Expenses (Annualized) 

COC- Cash on cash return = annual return / cash in deal 

IRR- Internal rate of return takes the time value of money into account and weighs heavily on getting money back sooner