A) the change in total product for an additional unit of a variable input.
B) the amount that other inputs must increase by when labor increase by one unit.
C) the additions to total cost when an additional unit of a variable input is hired.
D) the additional revenue obtained when an additional unit of a variable input is hired.
B) the amount that other inputs must increase by when labor increase by one unit.
C) the additions to total cost when an additional unit of a variable input is hired.
D) the additional revenue obtained when an additional unit of a variable input is hired.
ANSWER:
D