Except its not $60M unit cost, is it? Apart from the spare radars, engines etc, the price also includes - for presumably at least the 5 year stated period - engineering and logistic support to include:
"Also included are AN/AVR-2B Laser Detecting Sets, AN/APR-39D(V)2 Radar Signal Detecting Sets, Integrated Helmet and Display Sight Systems (IHDSS-21), Manned-Unmanned Teaming International (MUMT-I), KOR-24A Link 16 terminals, M206 infrared countermeasure flares, M211 and M212 Advanced Infrared Countermeasure Munitions (AIRCMM) flares, Identification Friend or Foe (IFF) transponders, ammunition, communication equipment, tools and test equipment, training devices, simulators, generators, transportation, wheeled vehicles, organizational equipment, spare and repair parts, support equipment, personnel training and training equipment, U.S. Government and contractor engineering, technical, and logistics support services, and other related elements of logistics support.".....
Implementation of this proposed sale may require the assignment of six (6) U.S. contractor representatives in country full-time for up to sixty (60) months for equipment checkout, fielding, and technical support........"