Refer to the information provided in Figure 5.5 below to answer the question that follows. 
Figure 5.5
-Refer to Figure 5.5. As the price of good W increased, the demand for good Y shifted from D1 to D2. The cross-price elasticity of demand between W and Y is
Definitions:
Long-Run Equilibrium
A state in which all adjustments to any economic changes have been made, allowing for full resource flexibility and market adjustments.
Profit-Maximizing Price
The price level at which a firm maximizes its profits, typically found where marginal cost equals marginal revenue.
Panel
A group of people gathered to discuss, analyze, or judge a particular topic or issue, often in the context of a conference or public debate.
Economic Profit
The total revenue minus the opportunity costs of all inputs, a measure that considers both explicit and implicit costs.
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