Cape Breton Cleaners Ltd. provides cleaning services for office buildings. They have collected the following data showing the total number of hours spent cleaning and the total costs for the past 6 months. Total hours Total cost January 1,550 February 1,400 March 1,850 1,300 1,900 1,700 April May June 44,500 41,200 50,000 39,800 50,600 46,900 1. Using the high-low method estimate the variable cost per hour. 2. Estimate the total fixed cost per month 3. For the month of July Cape Breton Cleaners Ltd. is expecting total hours of 1,600. Estimate the total costs that will be incurred for July.