Take the indirect utility function: (y. p)- In y-0.5 In 4 p,p₂- a) Verify whether this utility function satisfies all the main properties of indirect utility functions. (8 marks) b) Solve for the consumer's Walrasian demand function, x, (p, y) and x, (p. y). [8 marks] c) Solve for the consumer's expenditure function.