Which of the following statements concerning SIMPLE IRAs is correct? (A) The investment restrictions that apply to traditional IRAs do not apply to SIMPLE IRAs. (B) Employees who would not be eligible for a 401(k) plan may be eligible for a SIMPLE IRA. (C) Participants can be allowed to take loans from the SIMPLE IRA (D) The plan must provide for either a 3 year cliff vesting schedule or a 2 to 6 year graded vesting schedule