QUESTION 11 While unemplayed, Sally ate only rice to save money, buying 2 sacks of rice per month. After she got a new job and has a higher income, she bought one sack of rice per month. Sally must...

Extracted text: QUESTION 11 While unemplayed, Sally ate only rice to save money, buying 2 sacks of rice per month. After she got a new job and has a higher income, she bought one sack of rice per month. Sally must consider rice to be atn). O Luxury good; greater than 1 O Inferior good; negative Normal good; positive meaning her income elasticity must be None of the other choices are correct QUESTION 12 Returns to scale cannot be a short run concept because O t involves holding one input fixed and increasing the other O It involves changing both inputs at the same time to see how production changes O The change in production always eventually becomes negative as we add more inputs O None of the above, it is a short run concept 0000