Rio Coffee Shoppe sells two coffee drinks-a regular coffee and a latte. The two drinks have the following prices and cost characteristics: Regular Coffee S 1.90 Latte Sales price (per cup) Variable costs (per cup) $ 2.30 0.70 1.10 The monthly fixed costs at Rio are $7800. Based on experience, the manager at Ri knows that the store sells 70 percent regular coffee and 30 percent lattes. Required: How many cups of regular coffee and lattes must Rio sell every month to break even? Break-even Sales in Units Regular coffee Lattes