Use the Following to Answer Questions

Use the following to answer questions:
Figure: The Total Product
-(Figure: The Total Product) Look at the figure The Total Product. Labor added from L₁ and up to L₂ is:

A) subject to diminishing marginal returns.
B) adding increasing amounts to total product.
C) adding negative amounts to total product.
D) adding negative amounts to total product and subject to diminishing marginal returns.