18.) Suppose you earn $2,000 per month. You spend about $200 per month on food and $1000 per month on rental apartment housing. Ceteris paribus, which of the following can we infer with respect to elasticity. A. The price elasticity of demand for both food and apartments is elastic B. The price elasticity of demand for both food and apartments is inelastic C. The price elasticity of demand for food is more elastic than apartments D. The price elasticity of demand for food is less elastic than apartments E. We cannot infer anything because it all depends on what is necessity wand what is a luxury good