In 2002 the world price of cocoa was higher than in 2001.
Which combination of changes in the demand for and the supply of cocoa would always lead to a rise in price?
1 )
demand for cocoa: higher / supply of cocoa: higher
demand for cocoa: higher / supply of cocoa: lower
3 )
demand for cocoa: lower / supply of cocoa: higher
4 )
demand for cocoa: lower / supply of cocoa: lower
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