Refer to the Following:
the Amount of Total Output Produced

Multiple Choice

Refer to the following:
The amount of total output produced from various combinations of labor and capital.

$$\begin{array}{l}     \text { Units of Capital }\\\begin{array} { c c c c c c } & & 1 & 2 & 3 & 4 \\\hline \text { Units } & 1 & 20 & 36 & 48 & 53 \\\text { of } & 2 & 38 & 68 & 88 & 94 \\\text { Iabor } & 3 & 53 & 94 & 122 & 133 \\& 4& 63 & 112 & 148 & 164 \\& 5 & 68 & 120 & 164 & 184\end{array}\end{array}$$
-Diminishing marginal productivity

A) occurs when the marginal product curve begins to slope downward.
B) means that adding one more unit of the variable input will reduce total product.
C) occurs eventually because each additional unit of the variable unit has, on average, fewer units of the fixed input with which to work.
D) both a and c
E) both b and c