Please help

Which cost estimates are considered for the best case scenario? Choose all that would apply. O A 10% probability of a delay in receiving parts with a cost to the project of $90,000 O A 55% probability that the parts will be cheaper than expected, making the project $65,000 cheaper O A 75% probability that two parts will not fit together when Installed, resulting in an extra $23,000 cost A 5% probability that the manufacture may be simpler than expected, resulting in a $25,000 savings O A 15% probability of a design defect causing $8,000 of rework 99% probability that the company will need to conduct a survey to get response on customer feedback of the product. This will neither save or cost the company any money