Answer:
$495,000
Step-by-step explanation:
Based on the engineering estimates above cost to build such a house can be calculated by just adding the cost incurring in building the house as a moderate house.
The cost of a moderate 3000 square foot house
Administrative Cost = 20,000
Building Cost (150x3000) = 450,000
Appliances = 25,000
Utilities Cost = NIL
Total Cost = 495,000