74-49a43. Same; basis for computation. Notwithstanding the provisions of K.S.A. 74-4913 to the contrary, any employee who first became a member of the Kansas public employees retirement system on December 1, 1969, and who was first employed by a participating employer having an entry date of January 1, 1962, from August, 1934, to October 31, 1936, was employed by another participating employer on November 1, 1936, through February, 1938, was reemployed June 25, 1948, through March 15, 1951, and was reemployed April 1, 1962, through January 16, 1965, in a position not covered by the retirement system and again reemployed in a covered position August 1, 1968, and continues in such position until the effective date of this act shall upon retirement receive prior service credit for all such employment prior to January 1, 1962, whether continuous or not. The prior service benefit shall be computed by using a prior service annual salary of two thousand seven hundred seventy-two dollars ($2,772).