Can i get help with this question and how do we find the fixed cost

Serenity Living manufactures gas fireplaces for home use. Each unit produced goes through a complex quality control process. The :ompany has observed quality control costs as follows over the past 16 weeks: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Units Produced 31 22 19 25 34 27 28 24 26 29 36 33 21 23 42 Total Quality Control Costs $ 660 $ 520 $ 740 $ 500 $ 600 $ 701 $ 604 $ 616 $ 534 $ 567 $ 630 $ 744 $ 686 $ 472 $ 519 $ 728 zor planning purposes, the company's management wants to know the amount of variable quality control costs per unit and the total :ixed quality control costs per week. Required: l. Using the least-squares regression method, estimate the variable and fixed elements of the quality control cost. (Round variable :ost to 2 decimal places.)