1. Increasing revenue and the tremendous growth trajectory of the company provided promising evidence that they would not have problems competing in the North American Market in 2014. What changed in 2018 to indicate the company would have to confront challenges? Revenue increased but the marginal cost of revenue was increasing. O Revenue decreased but the marginal cost of revenue was decreasing. Revenue increased but the marginal cost of revenue was decreasing. Revenue decreased but the marginal cost of revenue was increasing