the expected stability in the rental income that a building could generate if it were rented.

Calculation:

amount of rental income / the buildings price

Higher rates indicate that the expectation is risky

First "Perpetuity" Cash Flow / (discount rate - growth rate)

Then discount further if necessary

(Cost to duplicate - Salvage Value) / Useful Life = "depreciation" per year

Years Used * "depreciation per year" = total "depreciation"

Cost to duplicate - "depreciation" = adjusted replacement cost

Level 1 inputs - quoted prices in active markets for identical assets (or liabilities)

Level 2 inputs - observable inputs other than quoted prices in active markets for identical assets (or liabilities)

Level 3 inputs - unobservable inputs