Considering the first question, what is the cost of the building in 2016 (Use cost capacity factor) ?
Given
x=0.92
C1 = $5,020,028
R2 = 120,000 sqft
R1 = 100,000 sqft
C2 = C1*(R2/R1)^x
     = $5,020,028*(120,000/100,000)^0.92
     = $5,936,806
