Suppose Zia Spends Her Time Picking Berries and Apples $x + 2 y = 40$

Multiple Choice

Suppose Zia spends her time picking berries and apples.Her production set is described by the equation $x + 2 y = 40$ , where $x$ is the number of berries and y the number of apples.Which of the following statements will be true?

A) 25 apples and 10 berries is achievable but inefficient.
B) 10 berries and 2 apples is efficient but unachievable.
C) 20 apples and 5 berries is an inefficient level of production.
D) 30 berries and 5 apples is an efficient level of production.