The sum of:
A. The member's allowance under the system:
1. Prior to modification under an option provided by former (1989) Charter Section 443 of the Sacramento City Charter, Section 2.124.910 of this chapter, or Article XV of this chapter, or
2. As provided for in Section 2.124.1850 of this chapter; and
B. The member's primary benefit under the Social Security provisions, payable after the minimum age of qualification for such primary benefit, shall not be less than the allowance which the member would have received under the system, assuming that the member had not been covered by the Social Security provisions. (Prior code § 34.10.1006)