he Platinum Leadership Centre provides training seminars in personal development and time management. The elatively new and management is seeking information regarding the Centre's cost structure. The following inform een gathered since the inception of the business in January of the current year: Required: a) Using the high-low method, estimate the variable cost per seminar and the total fixed cost per month. (6 marks) b) Assume that in July the Centre has planned 17 seminars. What is the projected cost of these seminars using the c formula determined in Part A? (2 marks)