74-49a35. Same; basis for computation. Notwithstanding the provisions of K.S.A. 74-4913 to the contrary, any county employee who first became a member of the Kansas public employees retirement system November 1, 1968, following the employer's entry date January 1, 1967, was first employed by said county on January 1, 1950, through March 31, 1950, and reemployed January 1, 1951, through April 30, 1951, and from November 1, 1951, through April 30, 1952, and from November 1, 1952, through December 31, 1963, shall upon retirement be granted prior service credit for all service with said county prior to January 1, 1967, whether such service was continuous or not. The prior service benefit shall be computed by using a prior service annual salary of five thousand eighty-two dollars ($5,082).