Sunglow provides you with the following data for its most recent year of operations:

Required:
a. Use the high-low method to estimate Sunglow's monthly cost equation.
b. Use two observations that are different from what you used in part (a) to estimate the monthly cost equation. Do you get a different equation? Explain why or why not.

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Month Activity volume (units) 3,500 5,000 6,000 4,000 2,000 7,000 8,000 2,000 4,500 5,500 6.500 2,500 Total cost anuary February March April May $12,550 16,750 19,550 13,950 8,350 99350 42,000 8,350 15,350 18,150 20,950 9,750 July August September October November