ents received by an individual that he or she must include in gross income (cost expected retam) * amount received] 20. The amount of Social Security benefits received by a. Is computed in the same manner as an b. May not exceed the portion contributed by the employer. c. May not exceed 50% of the Social Security benefits received d. May be zero or as much as 85% of the Social Security benefits received Security benefits and other income e. None of these Security benefits received, depending upon the taxpayer's Social