.A number of changes in the state of the world are listed below.For each, illustrate using a simple diagram, whether the demand curve for coffee shifts out, in, you slide along the curve, or it is impossible to tell how the demand curve is affected.

1. Household income rises
2. The price of tea falls
3. The Surgeon General announces new evidence of a link between high coffee consumption and heart disease.
4. The price of coffee falls.
5. Consumers expect higher coffee prices next month.
6. New "flavored coffee" is introduced, but some concerns are raised about health effects of the additives.