Answer:
the answer is D) all of the above are equally useful in this case
Step-by-step explanation:
why? every company who is planing to offers a new good or product its important to know to which market you want to sell it, and the average age, either the company who had been working with the same product, perhaps more capacity of production in the same market, you have to do a market strategy to know if you are able to get into the new market.