True or false questions (if any of the following sentences is false, please give the reason) : 1. Vested benefits are those that the employee is entitled to receive even if the employee renders no additional services under the plan. 2. Actuaries ensure that a pension plan is appropriate for the employee group covered. 3. Prior Service Cost is amortized over the remaining service-years of the affected employees. 4. Prior service cost is amortized on a years of service method or on a straight line basis over the average remaining service life of active employees. 5. The benefits paid to retirees tend to reduce the plans assets and the service cost for the year. 6. The corridor is the amount that is 10% higher or lower than the greater of the Projected Benefit Obligation or Market-Related Asset Value