Answer and Explanation:
The changes and direction of each point is described below:-
a. As the resort needs new workers, this moves the demand curve to the right, so that salaries rise, and therefore higher wages contribute to an increase in the quantity offered to the right.
So, the correct answer is it will change the quantity and move in the right direction.
b. If more work visas are provided, supply will switch due to factors other than salaries and supply curve
So, it will change in supply and move in the right direction.
c. More labor is needed for more chicken plants, this will move the demand curve to the right so that wages will rise, and therefore higher wages will lead to an increase in the in quantity supplied to the right
So, the correct answer is it will change the quantity and move in the right direction.
d. Since the production house will now require fewer people, wages will decrease so that the quantity supplied will decrease and the quantity supplied will, therefore change to the left.
So, the correct answer is it will change the quantity supplied and move in the left direction.