Plan X manufactures game consoles. The following data relates to production cost for the months of June and July 2020. Week 1 2 3 4 5 6 7 8 Total cost 48000 57200 37200 12360 46080 78100 55300 57023 No. Units 465 623 346 189 400 850 510 627 Produced a) Using the High-low method, determine the cost of producing 970 units (4marks) b) Using the least square regression method predict the cost of producing 970 units (16 marks)