The present invention relates to a management system that manages procurement of a component of a product, the management system including a simulator that simulates molding the component using a 3D printer by a processor executing a program stored in a memory, wherein the simulator is configured to: calculate an evaluation of a spare component; and determine whether the spare component is applicable to the product until a genuine component is procured by comparing procurement of the spare component with procurement of the genuine component based on the evaluation, and present the applicable spare component.