You've decided the industry is mature. That means it has reached a point of market saturation. As a new player, you'll need to take marketshare from the established players. Which competitive force do you identify as one the leaders must address to attack FedEx, UPS, and USPS?

The bargaining power of buyers. If we can deliver at a lower cost than everyone else, we win. The history of this industry shows that the least expensive provider can become the best$-$selling one. We can leverage our strong position with air travel providers to make our deliveries price$-$competitive.

Substitution. We should utilize our marketing to target new users who don't currently utilize delivery companies. We'll identify a need they have to convince them we can meet that need by using Gr$8$ Ship's services.