How did Greyhound respond to the competition from the new bus lines? Did the intensified competition ultimately hurt or help Greyhound?

Hello. You have not introduced the text this question refers to. This makes it impossible for your question to be answered. However, I will try to help you as best I can.

It is only possible to know the exact answers to your questions if the text related to them is read. So, to answer them, you will need to read this text. However, companies respond to competition by lowering the price of their products and services, or by increasing the quality of these products and services, making them have a differential that can attract consumers. It is likely that Greyhound has taken one of these two approaches. This competition helped Greyhound if it managed to have more customers and a higher profit, however, if it lost customers and its profit rate decreased, it means it was hurt by the competition.

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the correct answer is b