Which of the following statements is true about market metrics? Question 19Select one: a. They involve using uniform benchmarks across all industries and product categories. b. They provide qualitative data (e.g. from interviews and focus groups), and not quantitative data. c. They always express the measurements as pie charts. d. They measure market conditions and a business's performance in that market. e. They are more advanced product-market metrics for companies that are dealing with pricing issues