b) Joes Farms grows and package ginger that is distributed to wholesale stores throughout the district. They have collected this shipping cost data: Month Tons Produced Packaging Cost 6 4 3 January February March April May June July 8 1,700 2,000 2,100 2,700 1,602 1,900 2,300 2 7 5 Required: 1) Using the high-low method, estimate the cost formula for Joes Farms' packaging costs. (3 marks) ii) The least-squares regression method was used and the analysis resulted in this cost equation: Y = 1650 + 78.57x. Comment on the accuracy of your high-low method estimation. (1 mark) [Word limit: 100) SHOW YOUR WORKING