Please answer each of the required and post pictures of the scatter graphs

(LO 5-4) 5-57. High-Low Method, Scattergraph Cubicle Solutions sells productivity software such as word processors, spreadsheets, and personal infor- mation managers. Cubicle prides itself on customer support and maintains a large call center where customers can call in with technical questions about the installation and use of Cubicle products. Monthly data on the number of support calls and call center costs for the last year have been collected and are shown as follows (all activities and costs are in thousands). Month 1. 2 3 4 5 6 7 8 9 10. 11 12 Support Calls 37 53 45 39 61 47 44 48 55 40 42 41 Call Center Cost $528 690 590 535 720 610 590 620 700 545 565 550 Chapter 5 Cost Estimation (1. Required Estimate the monthly fixed costs and the unit variable cost per support call using the high-low estimation method. b Draw a scattergraph relating call center costs to the number of support calls. Considering your scattergraph, how much confidence do you have in your estimate from requirement (a)? C. (LO 5-4) 5-58. High-Low Method, Scattergraph Academy Products manufactures a variety of custom components for use in aircraft navigation and communications systems. The controller has asked for your help in estimating fixed and variable overhead costs for Academy's Rio Puerco plant. The controller tells you that the best cost driver for estimating overhead is machine-hours. Monthly data on machine-hours and overhead costs for the last year have been collected and are shown as follows. Month Machine-Hours Overhead Costs 1.... 2..... 3..... 4..... 5. .... 6. .... 7..... 8..... 9..... 10..... 11..... 12..... 630,000 900,000 765,000 665,000 1,035,000 800,000 750,000 815,000 935,000 680,000 715,000 700,000 $ 660,000 2,170,000 1,220,000 780,000 3,700,000 1,400,000 1,100,000 1,500,000 2,500,000 840,000 980,000 910,000 Required Estimate the monthly fixed costs and the unit variable cost per machine-hour using the high- low estimation method. Draw a scattergraph relating overhead costs to the number of machine-hours. Considering your scattergraph, how much confidence do you have in your estimate from requirement (a)