Upon retirement for accident disability, a member shall receive a retirement allowance which shall consist of:
1. An annuity, which shall be the actuarial equivalent of his or her accumulated deductions at the time of his or her retirement; and
2. A pension which is the actuarial equivalent of the reserve-for-increased-take-home-pay to which he or she may then be entitled, if any; and
3. A pension, of three-quarters of his or her annual earnable compensation on the date of retirement, in addition to the annuity and pension provided for by subdivisions one and two of this section.