10 7 PB5-2 (Static) Estimating Cost Behavior Using Scattergraph and High-Low Methods [LO 5-2, 5-3] Sigrid's Custom Graphics specializes in creating and painting store window advertisement displays. The majority of its business comes from local retailers and fast-food restaurants. A portion of Sigrid's operating information for the past year follows: points Number of Operating Month Windows Cost $ January 40 eBook 1,540 February 42 1,800 March 66 2,700 References April 75 2,450 May 80 2,600 June 83 3,300 July 81 3,270 August 88 3,220 September 80 2,980 October 58 2,090 November 67 2,200 December 77 3,200 Required: 3. Using the high-low method, calculate Sigrid's total fixed operating costs and variable operating cost per window. 4. Using the high-low method results, calculate the expected operating cost for the business if it paints 75 windows. Complete this question by entering your answers in the tabs below. Required Required 3 4 Using the high-low method, calculate Sigrid's total fixed operating costs and variable operating cost per window. Variable Cost per Window Fixed Cost < Required 3 Required 4 >