Analyzing the graph, it is found that there is a shortage of 100 units, given by option c.
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- In the graph, the price is given by the y-axis.
- When the price is of $20, the supply is of 50 units.
- The demand is of 150 units.
- Demand > supply, thus, there is a shortage.
- 150 - 50 = 100, thus, a shortage of 100 units, given by option c.
A similar problem is given at https://brainly.com/question/24294701
