Answer:
Simultaneous Shifts in Demand and Supply
In this market, the change in supply may have resulted from:
b. an improvement in technology.
Explanation:
An improvement in technology is the only correct option that can cause the change in supply from S1 to S2. Â Wage increases for the workers increase the cost of production, which can decrease sales volume. Â Similarly, a decrease in the number of sellers will most likely reduce sales volume instead of increasing it.