Please provide a step-by-step solution to this problem.

#1.53 MICRO (SEPT. 17th) 1.53 Agents A and B have the following expenditure functions. In each case, state whether or not the observable market behaviour of the two agents will be identical. Justify your answers. (a) e (p, u) and e (p. ") = e (p. 24). (b) e (p. ") = k(w)g(p), where k'(u) > 0, and e (p. ") = 2e (p, u). (3