The demand curve for a product is given by Qxd =1,200 - 3Px - 0.1Pz where P2: $300. a. What is the own price elasticity of demand when PX: $140? ls demand elastic or inelastic at this price? What would happen to the firm's revenue if it decided to charge a price below $140? Instruction: Enter your response rounded to two decimal places. Own price elasticity: Demand is: (Click to select] v If the rm prices below $140, revenue will: (Click to select) v b. What is the own price elasticity of demand when PX= $240? Is demand elastic or inelastic at this price? What would happen to the firm's revenue if it decided to charge a price above $240? Instruction: Enter your response rounded to one decimal place. Own price elasticity: Demand is: (Click to select) v If the firm prices above $240, revenue will: (Click to select) v c. What is the cross-price elasticity of demand between good X and good Z when Px = $140? Are goods X and Z substitutes or complements? Instruction: Enter your response rounded to two decimal places. Cross-price elasticity: Goods X and Z are: (Click to select) v