Complete this question by entering your answers in the tabs below. Compute the difference in total revenue, total variable costs, total contribution margin, total fixec income before and after the promotion. 1. Prepare a contribution margin income statement to predict how the reusable cup promotion wi operating income. 2. Compute the difference in total revenue, total vahable costs, total contribution margin, total fixe operating income before and after the promotion. 3. How will this sustainability initiative impact the company's triple bottom line? Complete this question by entering your answers in the tabs below. How will this sustainability initiative impact the company's triple bottom line? How will this sustainability initiative impact the company's triple bottorn line