Jian and Jared are engaged in a tech startup. Which of the following statements is true about the influences on their organizational structure?

a$.$ Because they want to be innovative and adaptable, they should aim to be a low$-$cost producer.

b$.$ Because they have highly skilled technical workers, they should have flat, team$-$based structures.

c$.$ Because the environment changes rapidly, they should centralize authority to control responses.

d$.$ Because employees collaborate and are allowed to make decisions, authority needs to be centralized..