Answer:
The correct answer is letter "C": It attempts to determine the retail price by using production costs as a base.
Step-by-step explanation:
Companies use different approaches to calculate the cost of advertising. The per-unit expenditure approach, just like its name states, aims to determine the unitary cost of advertising considering the price at which the products or services offered are sold to final consumers based on their production costs. This method is more often used for expensive products. Some other methods are the competitive parity, task approach, and research approach.