During project executing, one of the electrical engineers informs the project manager that the life cycle cost of the new heating and air conditioning system is higher than the life cycle cost of another heating and air condition system. What should the project manager do?
A、Determine if there is room in the project budget for the additional cost.
B、Select the product with the lower life cycle cost.
C、Select the product with the best life cycle cost to earned value ratio.
D、Select the product with the lowest maintenance cost to life cycle cost ratio.