Background SH Co wishes to analyse the behaviour of its costs. It has collected the following data: Month Quantity per month(units) Total cost per month($’000) 1 50 41 2 100 40 3 150 53 4 200 60 5 250 65 6 300 71 7 350 77 8 400 83 9 450 89 10 500 95 Total 2750 674