7.8. Write prospective formulas for a. 27(35.5) b. the benefit reserve at the end of 5 years for a unit benefit 10-year term insurance issued to (45) on a single premium basis. 10 7.8. Write prospective formulas for a. 27(35.5) b. the benefit reserve at the end of 5 years for a unit benefit 10-year term insurance issued to (45) on a single premium basis. 10