the connors company has assembled the following data pertaining to certain costs that cannot be easily identified as either fixed or variable. connors company has heard about a method of measuring cost functions called the high-low method and has decided to use it in this situation. cost hours $24,360 5,800 $26,200 6,100 $34,700 7,500 $42,360 13,000 $38,600 9,750 what is the estimated total cost at an operating level of 8,400 hours?