1) Implementation costs. II) model risk. III) fundamental risk. 1) mental accounting. Multiple Choice I and Il only I, II, and III II, III, and IV I and ll only LII, and I II, III, and IV I and ill only I, II, III, and IV hing 1) Implementation costs. II) model risk. III) fundamental risk. 1) mental accounting. Multiple Choice I and Il only I, II, and III II, III, and IV I and ll only LII, and I II, III, and IV I and ill only I, II, III, and IV hing