When Elmer's income is $1,000, he consumes 30 units of good X and 10 units of good Y. When his income decreases to $800, he consumes 32 units of good X and 8 units of good Y. For Elmer, good X is a(n) Group of answer choices inferior good, and good Y is a normal good. normal good, and good Y is an inferior good. inferior good, and good Y is an inferior good. normal good, and good Y is a normal good