Rio Coffee Shoppe sells two coffee drinks-a regular coffee and a latte. The two drinks have the following prices and cost characteristics: Sales price (per cup) Variable costs (per cup) Regular Coffee Latte $1.50 0.80 $2.90 1.70 The monthly fixed costs at Rio are $5,680. Based on experience, the manager at Rio knows that the store sells 80 percent regular coffee and 20 percent lattes. Required: How many cups of regular coffee and lattes must Rio sell every month to break even? Break-even Regular coffee Lattes Sales in Units