The Stephens Leadership Centre provides training seminars in personal development and time management. The company is 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:

Seminars offered Costs incurred

January 10 $17,000

February 12 $18,800

March 15 $20,900

April 18 $23,762

May 16 $21,800

June 13 $19,400

Required:

Using the high-low method:

A. Calculate the variable cost per seminar (6 marks)

B. Calculate fixed cost per month (6 marks)

C. Based on the variable cost per seminar and fixed cost per month calculated in A and B above, determine the cost equation for seminars. (6 marks)

D. Assume that in July, Stephen's Leadership Centre organized 25 seminars, use the cost equation determined in C above to calculate the total cost. (7 marks)