Answer: A Corporation, because she will need financing to get started.
Explanation:
As Annabeth would like to buy a factory to begin making the parts, she would would need a huge cash outlay to get started. By starting a Corporation, she can raise cash easier from the shareholders as well as utilize the knowledge and expertise of others who will join the company to help her in areas she might not be well versed in such as in Accounting or business administration.
Another reason a Corporation would be better is because of the realization of her longer term plans. A Corporation is more likely to expand in the the future which will enable Annabeth realize her dreams of selling to Europe and South America. Indeed, she has a better chance of achieving that sooner rather than later.
