Answer:
a. inattentional blindness
Explanation:
The inattentional blindness is a phenomena in which an individual fails to notice the surrounding details which are clearly visible to the individual that may unexpected or unnecessary for the individual as the individual has his attention on some another thing which can be an event or the task or some object.
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We would need to see the graph, but the equilibrium point is where the wage paid is equal to the supply of workers. On a graph, this would be the point where the two lines intersect. That is the point where the supply of people willing to do the job at a certain rate, meets the company's demand for workers and the rate they are willing to pay.