Answer:
B. the value of the marginal product of the additional workers eventually decreases
Step-by-step explanation:
The law of declining marginal usefulness implies that as an individual consumes more and more unis, the marginal utility of additional units declines as additional units are derived from marginal utility.
The law chart of decreasing marginal utility declines
So according to the question, the approximate option is B as it refers to the diminishing marginal utility