Given the expenditure function; In e(p, u) I lna +B1lnP; + Bglpg'l' Inn 3. Derive the Hicksian, lVIarshallian, Indirect Utility and Direct Utility function. b. What are the conditions for the parameters a , B1, and B2? \\Why? c. Derive the equation showing the change in utility if prices increase by two times. How would one be able to maintain his / her initial utility level given the above price change? Hint: Read the literature on compensating and equivalent variation