In the project ABC, Simon (customer) asked for aluminium bars whereas the team think that steel bars would better serve the overall project. Kiara, Product Owner, discussed with Simon but Simon ask for aluminium bars only. What should Kiara do in this situation?
a. Raise the issue to her senior management
b. Discuss again with Simon at later point of time
c. Use aluminium bars instead of steel bars
d. Use steel bars instead of aluminium bars