Answer:
Those that will be required to file a California return are; Matty,
Strieby, Kennedy and Jackson .
Step-by-step explanation:
Those that will be required to file a California return are; Matty, Strieby, Kennedy and Jackson. From the question we are informed that all of the entities involved are operating unitary Business, which is the same concept followed by California. And we know that
Unitary business can be regarded as group of persons which are related and having interdependent business activities/operations. So in this case, single California return will be filled by the entities involved.