The managerial accountant at Sunny Manufacturing needs to determine how many costs are fixed costs and how many costs are variable costs in the organization. The managerial accountant reported the following information Sunny Manufacturing Cost Report January- June 20xx Total Costs Machine-hours Month $21,500 1,800 January February 523,200 2,900 $19,750 1,000 March 21,000 2,400 April May $23,900 3,400 a. Use the high-low method to determine the cost equation and use machine hours as the base for a cost driver in the analysis. expects to use 1,700 machine hours in June. What are their estimated total costs? b. Sunny |E| B: 1 || Paragraph