(12-13) The B cannot be easily identified as either fixed or variable. Barnett Company method of situation. arnett Company has assembled the following data pertaining to certain costs that measuring cost functions called the high-low method and has decided to use it in this has heard about a Cost $24,900 24,000 36,400 44,160 45,000 Hours 5,250 5,500 7,500 9,750 9,500 12) What is the cost function? A) y = $43,191 + $0.19X B) y = $4,875+ $4.28X C) y = $41,900 + $0.23X D) y = $2,430 + $4.28X 13) What is the estimated total cost a t an operating level of 8,000 hours? A) $43,740 B) $36,670 C) $46,875 D) $37,125