A US study, published in July 2014, advised teenagers to cut down on the quantity of fizzy drink that they consume. One can of fizzy drink contains the full daily sugar allowance for an adult. If this advice were followed, how could the effect be shown on demand and supply diagrams for fizzy drinks and for sugar?
- Afizzy drinks: demand curve moves to the left; sugar: movement up the supply curve
- Bfizzy drinks: demand curve moves to the left; sugar: movement down the supply curve
- Cfizzy drinks: movement up the demand curve; sugar: supply curve moves to the right
- Dfizzy drinks: movement up the demand curve; sugar: supply curve moves to the left