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If x1 is a normal good and x2 is a neutral good, the slope of the indifference curve will be O A. Positive O B. Negative O C. Zero (horizontal) O D. Undefined (vertical) I have income of 120. If a value added tax of 0.5 is applied to all goods, it is the equivalent of a reduction of in income. Round to two docimal places. (For this question, a tax of 0.1 moons 10%%, a tax of 0.2 moans 20% and soon.) X1 is an inferior good. If the price of X1 increases, the substitution effect will cause the quanity of X1 purchased to decrease. O True O False