Find a competitive equilibrium and verify that it is individually rational and Pareto efficient. Is it envy-free? Prove your assertion. b. Alternatively, find a competitive equilibrium from equal division and verify that it is envy-free and Pareto efficient. Is it individually rational (relative to the initial allocation = ((9,12),(3,6)))? Prove your assertion. c. Are the following net trades from envy-free? Prove your assertion.