Why is it important for marketing managers to pay attention to internal marketing? What are the main challenges that a company faces in developing new products or services and how might they be overcome?

Answer the 2 exam questions with requirements given below

1) Why is it important for marketing managers to pay attention to internal marketing? Refer to relevant literature and illustrate your answer with examples.

2) What are the main challenges that a company faces in developing new products or services and how might they be overcome? Refer to relevant literature and illustrate your answer with examples.