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Refer to the graph above. ____ has a comparative advantage in producing butter, and ____ has a comparative advantage in producing cheese. 

If the support at C has settled downward a distance of Δ = 0.012 in., determine the reaction force at C. Let P = 188 lb, a = 55 in., and EI = 37 × 106 lb·in.2.

When the world price of a good is above the equilibrium price, and the country exports that good, there ____. When the world price of a good is below the equilibrium price, and the country imports that good, there ____. 

Determine the reaction moment at A. Let w = 7 lb/in., a = 122 in., and EI = 90 × 106 lb·in.2.

Determine the magnitude of the slope at A. Let M = 16,900 lb·in., a = 118 in. and EI = 49 × 106 lb·in.2.

Determine the deflection at B. Let M = 7,400 lb·in., a = 78 in., b = 34 in., and EI = 79 × 106 lb·in.2.

Gasoline and kerosene are complements in production, and the price of gasoline rises. In response, there is a ____ of kerosene at the initial equilibrium price, and the price of kerosene will ____.

Determine the deflection at B. Let M = 9,700 lb·in., a = 47 in., b = 27 in., and EI = 45 × 106 lb·in.2.

Determine the reaction force at B. Let w = 17 lb/in., a = 67 in., and EI = 89 × 106 lb·in.2.

As the price of butter rises, dairy farmers’ supply of cheese increases. This observation suggests that butter and cheese are ____.