UI NUUUUITY II TUILU XYZ Company uses the high-low method to analyze mixed costs. During the year, the highest level of activity was in May and the lowest level of activity was in February. In February, the company worked 11,00 hours and had a total cost of $46,300. In May, the company worked 27,000 hours and had a total cost of $110,300. What is the estimated total costat an operating level of 19,000 hours? Select one: O a. $86,300 O b. $78,300 O c. None of the answers given O d. $82,300 O e. $48,300 Which one of the following cost estimation methods is the most accurate? Select one: O a. The high-low method. b. Scattergraph O c. Regression analysis. d. Subjective forecasting