Table IV-APP-3 shows a summary of the cost comparisons. The JSC "Adjusted" cost estimates were derived based on the orbital weight increases shown in Figure IV-APP-3 and IV-APP-4. Both increased hardware cost and the associated transportation costs are taken into account. Note in Table IV-APP-3 that the ADL/Raytheon/GAEC photovoltaic system was costed (reference 10) based on $184/kg transportation cost, whereas the Boeing system used $62/kg transportation cost. The JSC adjusted costs also use these transportation costs, but in addition, a transportation cost of $55/kg is shown for both systems to provide comparable costs. No attempt was made to produce a JSC adjusted DDT&E cost for the two systems.
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