Answer:
Total Cost per square footage= $ 119.76
Explanation:
As each of these costs is related to the area and building the cost driver would be area square footage floor space.
We divide the cost with the cost driver to get the parametric cost estimate for each of the following.
a.Concrete parking deck cost $5,250,000 / 150,000 sf floor space=$35 per sf floor space
b.Concrete warehouse cost $1,680,000 / 80,000 sf floor space= 21 per sf floor space
c.Non post tensioned concrete parking deck cost $5,400,000 /200,000 sf floor space= 27 per sf floor space
d.Post tensioned Concrete parking deck cost $6,250,000 / 170,000 sf floor space= 36.76 per sf floor space
Total Cost per square footage= $35+ $21+ $27+ $36.76= $ 119.76
