please help! "only statement I is true" is incorrect.

Which of the following statements is true? 1. When a company is involved in more than one activity in the entire value chain, it is vertically integrated. 11. A vertically integrated company is less dependent on its suppliers than a company that is not vertically integrated ili. A disadvantage of vertical integration is that by pooling demand for parts from a number of companies, a supplier may be able to enjoy economies of scale that result in higher quality and lower cost than if every compary makes its own parts. Multigle Choice Only statemeat 1 is true Onty statement lis is true. All of the statements are the None of the statements are true