Suppose that the graph below depicts demand and supply electric vehicles built in the US. Which graph best represents the situation when new technology in robotic production improves the efficiency in producing vehicles.? Figure 2.1 Figure 2.1 Supply Curve Supply Curve Demand Curve Demand Curve (leftward) (rightward) (leftward) (rightward) Price Price Price Price Quantity Quantity Quantity Quantity (a) (b) (c) (d) Select one: Oa. a Ob. b Oc. C Od. d