Bar Graph

Working with excel was a challenge to say the least. I know making a graph on excel is a simple task, I found the task of adjusting a stacked column graph to be extremely painful. Is it possible to make a stack column graph so the two variables on top of each-other instead of stacked on top of one another? For instance say a single in Dorm A costs 200 and a double costs 100. I wanted a graph to show a bar half red and half blue but together only reaching 200. What the stacked graph did would do is add the 200 and 100 so the bar totaled to 300. I couldn't find a way around this, so i settled with a multivariable column graph.