The minimum wage a. is an example of a price ceiling. b. has its greatest impact on middle-aged and immigrant workers. c. does not apply to unpaid internships. d. does not affect the quantity of labor demanded; it only affects the quantity of labor supplied.

does not apply to unpaid internships. 

Explanation:

Minimum wage is the least price that can be paid to labour. It is an example of price floor.

To be binding, minimum wage is set above equilibrium price.

Minimum wage isn't applicable to unpaid internships because they aren't paid.

Minimum wage would affect the quantity of labour demanded and supplied.

I hope my answer helps you

answer: 11/12

step-by-step explanation: 4 1/4 and 3 1/3 is equivalent to 4 3/12 and 3 4/12. 4 3/12 - 3 4/12 =11/12