The Platinum Leadership Centre provides training seminars in personal development and time management. The compan relatively new and management is seeking information regarding the Centre's cost structure. The following information has been gathered since the inception of the business in January of the current year: Kequired: 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 cost formula determined in Part A ? (2 marks)