Id) temperature every day and that I am a PhD student so I work at home no matter what day it is, thus I change my quantity demanded based solely on price, not on my personal taste for air conditioning) . Suppose I have a plugin electric car and a gasoline powered car, and that each month I use 30 kWh of electricity at $0.15 per kWh for my electric car and 10 gallons of gas at $3.29 per gallon. Now suppose the price of gas goes up to $3.90 and I reduce my gas use to 8 gallons, but drive my electric vehicle more so that I use 39 kWh (the price of electricity remains the same). What is my cross-price elasticity of demand for electricity with respect to the price of gasoline? Consider the initial setup from part (c) above, (30kWh at $0.15, 10 gallons at $3.29) and with a monthly salary of $2,700. Suppose I get a $300 per month raise and now drive more overall instead of walking. If I now use 42 kWh in my electric car, what is my income elasticity of demand for electricity