1. Use the data from the minivan example in lesson 1.3 Building a Deman answer the following questions about "our" minivan manufacturer. linked in an Excel file under the lecture. You will need to use the regress from the lecture to answer the questions. [see attached] Now we can analyze how demand changes as the price changes. . Using our data for a particular zip code, we derive: Sales = -6.66 - 5.22 (Price) + 0.45 (Income) + 0.93(Population) + 177 (%