What is marketing mix? In your opinion, which of the marketing mix elements is more critical in which period of the product life cycle for a highly complex, totally new product?

What is marketing mix? In your opinion, which of the marketing mix elements is more critical in which period of the product life cycle for a highly complex, totally new product?   2. Discuss the growth strategies. If your company/product is experiencing threat of substitute products or direct competitors, which of the growth strategy do you think are less suitable, why?   3. Among the three major functions of an organization, finance has two distinct tasks. What is the function/ role of finance department in organizations and why is this department important? What are the different methods that a start-up can reach funding, please describe and discuss advantages and disadvantages of internal and external funding methods.   4. Describe the concept of guerrilla marketing. Why is guerrilla marketing particularly suitable for entrepreneurial firms?