"Assumed investment rate" means the rate of investment return which would be required to be credited to a variable life insurance policy, after deduction of charges for taxes, investment expenses, and mortality and expense guarantees to maintain the variable death benefit equal at all times to the amount of death benefit, other than incidental insurance benefits, which would be payable under the plan of insurance if the death benefit did not vary according to the investment experience of the separate account.
02-031 C.M.R. ch. 300, § IV-2