Samantha and Sabrina ore opening a soda stand They believe the fixed cost per week of running the stand is $ 50. 00. Their best guess is that they can sell 300 sodas pet week at $5. 75 per soda. The able cost of obtaining a can of soda it $0. 20. Given her other assumptions, and using Excel, find the level of sales volume that will enable there to break even. Given her other assumptions, draw a break - even graph and discuss how a change in sales volume affects profit. From the graph in (b) discuss how change, in sales volume and variable cost jointly affect profit