\fA national homebuilder builds singlefamily homes and condominium-style townhouses. The accompanying dataset provides information on the selling price, lot cost, and type of home for closings during one month. omplete parts a through c. a Click the icon to View the house sales data. 3. Develop a multiple regression model for sales price as a function of lot cost and type of home without any interaction term. Create a dummy variable named \"Townhouse", where it is equal to 1 when Type ="Townhouse" and 0 otherwise. Determine the coefcients of the regression equation. Sales Price = D HE) - Lot Cost+ (D) - Townhouse (Type integers or decimals rounded to two decimal places as needed.) Is. What is the predicted sales price for either a singlefamily home or a townhouse with a lot cost of $28,203? I11 The predicted sales price for a singlefamily home is 3D. [Round to the nearest cent as needed.) I12 The predicted price for a townhouse is 5D. [Round to the nearest cent as needed.)