Harmony Enterprises has presented the following information for the past five months operations: Units Average Cost per Month produced unit $ January 2600 2.9 February 2200 3.4 March 1800 3.5 April 1900 3.6 May 2700 3 Using the high-low method, calculate the variable cost per unit. QUESTION 25 Refer to Harmony Enterprises. Using the high-low method, calculate the fixed cost per month. QUESTION 26 Refer to Harmony Enterprises. What would total costs be for a month with 4,000 units produced