please help me answer my last questions. 15-17.

Question 15 1 pts Once the opportunity cost associated with a shared resource is determined, it is unlikely to change. True O False U Question 16 1 pts One advantage of using an outside supplier is the possibility that the outside supplier is particularly efficient at manufacturing the needed part or component. True O False Question 17 1 pts Sunk costs are incremental costs because they increase or decrease with the choice of one alternative over another. True False Type here to search O