Molly's monthly unit sales and total cost data for its operating activities of the past year follow. Management wants to use these data to predict future fixed and variable costs. (Ensure answers are in comma format and do not contain extra spaces or symbols. If your answer contains decimals, round to two decimals. If your answer is a whole number, do not include decimals. Examples: 0.50, 100, 100.75, 1,000, etc.) Month Units Sold Total Cost June 180,000 $175,000 July 135.000 150,000 August 80,000 100,000 September 95,000 110,000 October 112,000 125,000 November 130,000 143,000 1. Estimate the variable costs per unit using the high-low method. 2. Estimate the total monthly fixed costs using the high-low method