The Slope of an Isocost Line ________ and Equals the Negative

Multiple Choice

The slope of an isocost line ________ and equals the negative of ________.

A) increases as we move down the line; the ratio of input prices
B) decreases as we move down the line; the ratio of the marginal products
C) is constant; the ratio of input prices
D) is constant; the ratio of the marginal products