Answer:
From first-degree price discrimination it will achieve a profit of 11,100.5 dollars
Step-by-step explanation:
Using first-degree price discrimination a firm would be able to eliminate all consumer surplus thus, keeping all the surplus for himself
the surplus will be the area below the demand line and above the marginal cost of 21 dollars
That will be:
(170 - 21) x 149 / 2 = 11,100.5