Identify three related goods. Demonstrate ONE change that causes a movement along a demand curve and the SAME CHANGE, which causes shifts of the demand curve in two other markets in TWO different ways (think complement and substitute). Describe your markets and changes. Make sure you use the correct terminology to differentiate a change in demand vs. a change in quantity demanded. You do NOT need to include a picture, but you're welcome to do so. If you don't include a picture, you must describe the picture similar to what I have done above.