Refer to Figure 6-2. The absolute value of the price elasticity of demand at points a and b is 1. What is the value of Pb? Figure 6-2 Title: Figure 6-2 - Description: Figure 6-2 shows a downward-slopping demand curve. The absolute value of the price elasticity of demand at the price of 60 and quantity is 20 is 1, and at the price of Pb and quantitiy at 30 is 1. Question 3 options: A) $50 B) $40 C) $30 D) $20