The price elasticity of demand for a given good is 2.3. This implies that if price O a. rises by 10 percent, quantity demanded falls 2.3 percent. O b. falls by 10 percent, quantity demanded falls 2.3 percent. O O c. rises by 20 percent, quantity demanded falls 46 percent. O O d. rises by 2.3 percent, quantity demanded falls 2.3 percent. O