Huiqi Zheng26690004MKF 2121MINI TASK 21.Why it is important to obtain secondary data before primary data? How do we distinguish secondary data from primary data?2.Mcdonald’s is considering raising the prices for its main product offerings in Australiaby 10% and would like to understand how this might affect their total revenue. A marketing analyst at their corporate head office finds a report published by Burger King—a rival fast food chain—in 2002 on a similar price increase the company carried out in New Zealand. The report finds that Burger King (NZ)’s revenue increased by 5% after the price increase. Based on the finding from the report, McDonald’s decides to carry out the proposed price increase. Are you happy with McDonald’s decision? Explain why or why not.