Hi, could someone give me an explanation and steps for this task, please? Thank you very much! The exercise is: Foodie Restaurant offers an all-you-can-eat buffet meal. Collected below are the cost of food for the buffet and the number of customers that ordered the buffet for last year. The restaurant manager, Tim, is interested in finding out the relationship number of diners.

Month Cost of food Number of diners January 210,850 5,863 February 213,800 5,935 March 199,300 4,955 April 215,330 6,000 May 206,640 4,922 June 196,000 4,800 July 210,000 5,852 August 196,500 4,850 September 249,850 6,227 October 256,000 6,300 November 230,850 6,285 December 207,450 5,632 Required: (a) The cost of food is a mixed cost. Describe what a mixed cost is. Explain briefly why you think the cost of food for the buffet is a mixed cost. (b) Using the high-low method, develop a monthly cost formula for the total cost of food for the buffet. Show all workings clearly. (c) Calculate the expected cost of food if there are 6,500 diners ordering buffet in a particular month