||Your market research group estimated the following demand curve for gadgets, the product your company produces and sells. Qd = 4,000 – 40P If this relationship between quantity demanded and prices continues to hold true in the future,a. How many gadgets will be demanded at $10, $20, and $30? b. What is the arc price elasticity between $10 and $20; between $20 and $30? c. What is the point price elasticity at each of the three prices? d. If your company sold 3,000 gadgets last year, what is the price it charged?