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D Question 10 1 pts The consumer demand curve for Professor Stefan Schwarzenegger dumbbells is given byq = (100 - p)?, where p is the price per dumbbell and q is the demand in weekly sales. What is the price elasticity of demand at a price of $20 per dumbbell? Question 11 1 pts Continuing with the previous problem, which interpretation below is correct at a price of $20 per dumbbell? O Demand has unit elasticity at this price, revenue will be maximized. O Demand is inelastic; raising price increases revenue Demand is elastic; raising price increases revenue. O Demand is inelastic; raising price will decrease revenue. Demand is elastic; raising price will decrease revenue Question 12 1 pts Continuing with the previous question, what is the price elasticity of demand at a price of $50 per dumbbell? Question 13 1 pts Continuing with the previous problem, which interpretation below is correct at a price of $50 per dumbbell? O Demand is inelastic; raising price will increase revenue. Demand has unit elasticity at this price; revenue will be maximized. O Demand is elastic; raising price will increase revenue. O Demand is elastic; raising price will decrease revenue. Demand is inelastic; raising price will decrease revenue. Question 14 1 pts Continuing with the previous problem, at what price will revenue be maximized? Round answer to the nearest cent and do not include a dollar sign with your