Chapter 3: Elasticity 9. The table below shows the relationship between price of good X and quantity demanded for Good A, B and C. Price of Good X Quantity demanded (units) (RM Good A Good B Good C 2.00 18 30 25 4.00 16 32 20 6.00 14 34 15 8.00 12 36 10 10.00 10 38 a) Define cross elasticity of demand. (2 points) b) If the price of Good X increase from RM4.00 to RM10.00, calculate cross elasticity of demand for: Good A Good B (4 points) c) Determine the relationship between i. Good A and Good X ii. Good B and Good X (2 points) d) When the income of household increases from RM300 to RM500, the demand for good C decrease from 20 to 10 units. Calculate the income of demand for Good C and classify Good C. (2 points)