Answer: Options-based planning
Step-by-step explanation:
The Option based planning is one of the concept that helps in maintain the flexibility of the various types of plans for making the various types of investments.
The main purpose of the option based planning is that it helps in maintaining the slack resources are are specifically used in the for of extra resource for the purpose of adapting the various types of changes and also the problems.
According to the given question, the Douclamp is one of the type of manufacturing company that basically making small level of investments on the iron ore plant.
Therefore, Douclamp is using the options based planning based on the given scenario.