Safari File Edit View History Bookmarks Window Help Safari File E QUESTION 6 The Illinois Tools Machine Shop wants to develop a cost estimating equation for its monthly cost of electricity. It has the following data: Month January April July October ric $7,000 $7,500 $8,500 $7,250 750 850 1,000 800 What would be the best equation using the high-low method? Select one A. Y = $ 500+$6x B. Y. $1,500+ $8X C. Y-$2,500+ $6x D, Y $2,000 + $4X 4