Real GDP per person is slowly converging around the world

Refer to Figure 3-8. The graph in this figure illustrates an initial competitive equilibrium in the market for motorcycles at the intersection of D1 and S1 (point A)

If the price of motorcycle engines increases, and the wages of motorcycle workers increase, how will the equilibrium point change? A) The equilibrium point will move from A to E. B) The equilibrium point will move from A to C. C) The equilibrium will first move from A to B, then return to A. D) The equilibrium point will move from A to B.

Joe's demand for spring water can be represented as p = 10 - Q (where p is measured in $/gallon and Q is measured in gallons). He recently discovered a spring where water can be obtained free of charge. His consumer surplus from this water is

A) $0. B) $50. C) $100. D) unknown based upon the information provided.