Amy Canvas Is an Artist Who Produces Sketches and Paintings

Multiple Choice

Amy Canvas is an artist who produces sketches and paintings.She can produce 12 sketches a week if she spends all of her workday sketching.She can produce 3 paintings a week if she spends all of her workdays painting.The rate at which she produces either sketches or paintings is independent of how many she makes.She can divide her time in any way she wishes between sketching and painting.If you draw her production possibilities frontier with sketches on the horizontal axis and paintings on the vertical axis, the production possibilities frontier will be

A) the outer two sides of a rectangle.
B) a downward-sloping curve that gets steeper as you move to the left.
C) a downward-sloping straight line.
D) an upward-sloping straight line.
E) an upward-sloping curve that gets steeper as you move to the left.