3. Using the letters shown in the following illustrations: '23 Midpoint E E]: 'T' 1 P2 P; O Q, or. Quantity Quantity (a) In panel A if the price falls from P1 to P0 what will be the value of total revenue (example: (a + b) or (13+ c) or (a + c) etc.) (b) In panel A if the price is P1 what is the quantity demanded (c) In panel B if the price was to fall from P3 to P2 what would total revenue be? (d) Does the equilibrium P3 Q3 in panel B occur in the elastic or inelastic portion of the demand curve