GIO Inc. modifies a part in such a way that only one supplier can produce it. Which of the following is the BEST way for GIO to reduce the risk of supply chain interruption? Request that the supplier:
a) Share their manufacturing process with other potential suppliers
b) Increase the price of the part to incentivize other suppliers to produce it
c) Train additional suppliers to produce the modified part
d) Provide GIO with exclusive rights to the part