Question 3: Kraft Promotion Analysis -Trough (4 points) Use the sheet "Promotion Analysis" in the file "Kraft.xlsx". Using the parameter estimates from the semi- log model, compute the following and fill up the blanks in the sheet: a. "Baseline" sales & revenues (i.e., units sold in the absence of any promotion) b. Sales & Revenues for the week of promotion (20% Discount, Feature Ad) and Sales & Revenues in the week following promotion. What can you conclude from these results?