<prompt> Translate the following text to EnglishUchambuzi huu unatumia data ya utoaji kutoka 1989, lakini hutumia viwango vya gharama za 1996 kwa mishahara, faida za ziada, na gharama nyingine zinazohusiana na utoaji.  <response>: This analysis uses delivery data from 1989, but uses 1996 cost levels for wages, fringe benefits, and other associated delivery costs. 