1. Explain and graphically depict supply and demand conditions if the National Diabetes Association comes out in support of stevia as a zero-calorie sweetener.
2. Explain and graphically depict supply and demand conditions if a new competitor with a stevia-sweetened strawberry jam enters the market.
3. Explain and graphically depict supply and demand conditions if the price of peanut butter increases significantly in the market.
4. Explain and graphically depict supply and demand conditions if the success of stevia sweetener in general (for all sweetening needs) increases the demand for stevia and prices for the natural sweetener increase as a result of such strong demand.