Estimate the salary cost function for Delta. Use the High Low method.

3.  Estimate the salary cost function for Delta. Despite the fact you can choose between some feasible drivers, please use Revenue Passenger Miles for this part of the case. Use the High Low method. I have the appropriate information, I just don't know how to proceed to get the answer? Low 14 High 21.8 and that's for X. Low 1200 high 1607 and that's for Y