Answer:
The concept used is Contained in.
Step-by-step explanation:
Derivative classification can be defined as the process of making use of an existing classified information and restating in a new form and creating a new material which should be consistent with the classification markings on the previous information with the source markings present.
Therefore, the new outcome of 40,000 is contained in the source markings, The figure part is derived from the source. 'Contained in' shows that their is no additional interpretation needed in order to classify the information.
Hence, the answer is Contained in the source.