Low, medium, and high cost ranges for a 30,000 ft 2 apartment building in ZIP code 79912 were estimated to be $3,111,750, $3,457,500, and $4,321,875, respectively. ( a ) What is the cost per square...

Low, medium, and high cost ranges for a 30,000 ft²
apartment building in ZIP code 79912 were estimated to be $3,111,750, $3,457,500, and $4,321,875, respectively. (a) What is the cost per square foot for the
medium
cost estimate? (b) What is the percent increase between
low
and
high
cost estimates per ft²?