Below is an indifference curve map for a consumer who consumes two goods, X and Y. The consumer's initial optimal consumption bundle is point A. After a price change, the consumer's new optimal consumption is bundle B. Answer the following questions: Q Good Y Determine if the substitution and income effects on Good X and Good Y are positive or negative: The substitition effect on Good X was The substitution effect on Good Y was . The income effect on Good X was The income effect on Good Y was Detemine if goods X and why are normal negative positive zero Good X is Good Y is unknown normal inferior Giffen Q Good X