Custom Homebuilders ( CH) designs and constructs high-end homes on large lots owned by customers. CH has developed several formulas, which it uses to quote jobs. These include costs for materials, labor, and other costs. These estimates are also dependent on the region of the country a particular customer lives. The following are the cost estimates for one region in the Midwest. Required: A customer has expressed interest in having CH build a moderate, 3,600 square-foot home on a vacant lot, which does not have utilities. Based on the engineering estimates above, what will such a house cost to build