700 400 300 Price (dollars) 100 a. Calculate price elasticity at point S using the method E = A X 5. [2. Calculate price elasticity at point S using the method E = 0. Compare the elasticities in parts a and b. Are they equal? Should they be equal? d. Calculate price elasticity at point R. 8. Which method did you use to compute E in part d, E = f'g X g. or E = ? Why? 10. Use the gure below to answer the following questions