Respuesta :
The statement i.e. not likely for attraction and effective for decreasing the design should be option c. The warranty period should be either 60 days, 90 days or 120 days.
Effective way for decreasing the design, cost:
For decreasing the design, assembling cost, marketing cost, and other tyep of cost with respect to the UAV drone also at the same time it help for accomplish the competitive advantage so for this the warranty period should not be more than 120 days in the case when it is competitive feasible.
Therefore, option c is correct.
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