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The income elasticity of demand for a good is -4 and average consumer income goes down by 10%. The good's quantity demanded O is indeterminant O must have increased by 40% and it is a normal good O must have increased by 40% and it is an inferior good O must have decreased by 2.5% and the good is inferior O must have decreased by 0.4% and it is a normal good Question 12(Multiple Choice Worth 1 points) (01.03 MC) A production possibility curve would if the availability of an input increased and would if a lack of technology decreased production efficiency. O shift outward; shift inward O not move; shift outward O not move; not move O shift outward; shift outward O shift inward; shift inward