The diagram below shows different technologies (AD) which produces 100 meters of cloth. The solid lines are the isocosts when the wage is 10 and the price of coal is 5. The dashed line is the isocost when the wage is 10 and the price of coal is 20. Which statement incorrectly explains the diagram? H O Tonnes of coal H N w 5 U1 ON \"-4 on '0 1 2 3 4 5 6 7 8 9 10 Number of workers Select one: 0 a. Technology A is less costly than Technology B when the wage is 10 and the price of coal is 20 0 b. Given the same wage level, if the price coal decreases from 20 to 5r a firm would receive an innovation rent by adopting Technology A before its competitors 0 c. Technology A is the most efficient when the wage is 10 and the price of coal is 5 0 d. Technologies B and D are the most efficient when the wage is 10 and the price of coal is 20