i, _t 100 200 300 400 500 600 Quamiy Refer to the above figure. What is the elasticity of demand from point A to point B, using the midpoint method? (1 mark) a.04 b.10 .13 d. 25 - Refer to the figure. What is the elasticity of demand from point B to point C, using the midpoint method? (1 mark) a.050 b.075 100 d.1.30 15 . Refer to the figure. What is total revenue when price is $18? (1 mark) . 5600 b. 51200 . 51800 d. 53000 - Refer to the figure. If the price decreased from $18 to 56, what would happen to total revenue and what would this imply about demand elasticity? (1 mark) . Total revenue would increase by $1200 and demand would be elastic. b. Total revenue would increase by $800 and demand would be elastic. . Total revenue would decrease by $1200 and demand would be inelastic. . Total revenue would decrease by $800 and demand would be inelastic