The Sequence of Actions is this: The Amount is Stipulated, The Cost of Building Materials Calculated, the Customer Buys Them and Them and Themus He amount Paid to the Contractor. What Exactly The Garage Will Be Depending on the Desire of the Customer, He Provides The Site Himself. The Construction Amount Shoup Not Be Excessively High, SincE The Optimal Price Willow You to Quickly Find Customers.