Non-performance based service acquisition

Based on your Contracts Officer’s recommendation, you the life cycle logistician, have decided to use the transnational services acquisition strategy on a one year contract of two maintenance personnel to repair the flight controls of the Strike Talon. Which characteristic of the maintenance strategy most influences your decision to use a non-performance based service acquisition rather than a performance Based Services Acquisition strategy
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Answer
>The flight controls reliability is unknown and you want to collect historical maintenance data prior to awarding a performance based contract