Please answer the below question.

6. As shown on Figure 2, a consumer has an indifference curve and a budget line to decide his/her consumption bundle of two goods, Z and W. The indifference curve is tangent to the budget line at point E with the marginal rate of substitution MRSzw = 6. If the price of good Z is $24/unit, the price of good W will be A. $0.25/unit B. $4/unit C. $8/unit D. $144/unit Figure 2 WI Indifference Curve Qw - - - Budget Line Qz Z