Refer to Figure 13-3. Which of the points in the above graph are possible long-run equilibria?

In the figure above, when income equals $20,000, what does consumption equal?

A) $0 B) $10,000 C) $20,000 D) impossible to tell

In the above table, the cross price elasticity of demand for good X with good Y when PY falls from $20 to $18 is

A) -2. B) 0. C) +1. D) -1.