Final answer:
The Cash Balance Pension Plan requires actuarial analysis only at inception.
Step-by-step explanation:
The plan that requires actuarial analysis only at inception is option b) Cash Balance Pension Plan. Cash balance plans are a type of defined benefit plan, which means the employer contributes a fixed amount or a percentage of the employee's salary into the account. The money within the plan is invested, and the employee is guaranteed a specific account balance at retirement.