Answer:
The answer is "In order to avoid having stale data".
Explanation:
In this question, only the above-given choice is correct because follows the class-object concept, and the wrong choices can be defined as follows:
- In this question, the second and third choices are wrong because its class field data value is not redundant, it should not define in another class.
- The third choice is also wrong because it can't define the class field to keep it current.