-Refer to the Graph Above to Answer This Question

-Refer to the graph above to answer this question.Which of the following statements is correct?

A) Curve 1 illustrates marginal product while curve 3 illustrates average variable cost.
B) Curve 1 illustrates average variable cost while curve 3 illustrates marginal product.
C) Curve 1 illustrates average product while curve 3 illustrates average variable cost.
D) Curve 2 illustrates marginal product while curve 3 illustrates average variable cost.
E) The most productive output is best illustrated by curves 1 and 4.