According to the text, what is the importance of cost management in supporting the Marketing Mix? A good knowledge of cost concepts and their use ...

According to the text, what is the importance of cost management in supporting the Marketing Mix?

A good knowledge of cost concepts and their use for decision-making in marketing activities should be a reality in all organizations.
The approach to costs in support of the marketing mix is extremely important.
The cost of advertising should not be attributed to a product, as it is not relevant to the company's profitability.
The price policy adopted for a product should not be based on the identification of all production costs.
a) Only items I and II are correct.
b) Only items II and IV are correct.
c) Only items I and IV are correct.
d) Only items II and III are correct.
e) Items I, II and IV are correct.