Consider the demand for sandwiches in Foggy Bottom. The Foreign Service Officer (Person A) with a demand of _=61/2 . The Federal Banker (Person B) with a demand of _=61/2 . And a GW Medical Student (Person C) with a demand of _=12. Sketch the demand curve for each person. Find the equation for and sketch the market demand. Find the quantity demanded by the market when price is $3. Now introduce two more people (D