The $$marketing mix$$ is a marketing strategy that has four elements: product, price, distribution, and promotion. See Chapter $11.$ Please answer and discuss the following questions about the elements of the marketing mix:

What is product differentiation? Name different ways a firm can differentiate its product. Give a current example of product differentiation by a firm. $($Note: Do not use one of the examples given in the textbook$).$

What is the product life cycle? Describe this in some detail. Give an example of a current product and describe at what stage in the product life cycle is the product at$?($Note: Do not use one of the examples given in the textbook$).$

What is a promotional channel? Pick two types of promotional channels and give an example of a firm or product that uses such a channel.