Which statement regarding integrating a plan with Social Security is CORAECT?A) Under the offset method, a fixed or formula amount approamanes the existence of Social Security benefics and reduces the plan formula.B) Because there is a diperity in the Social Security system, all retirement plans are allowed integration with Social Security.C) Only the excess method can be used by a defined benelly plan.The maximum increase in benefits for earnings above covered competsacion level is 50% for a deflned benefie plan.