Serenity Living manufactures gas fireplaces for home use. Each unit produced goes through a complex quality control process. The company has observed quality control costs as follows over the past 16 weeks Units Total Quality Week Produced Control Costs 1 32 5 670 2 23 $ see 3 38 $ 750 4 2e $ 430 5 26 $ 630 6 35 $ 700 7 28 $ 603 3 29 $ 615 9 25 $ 533 10 27 $566 11 30 $ 629 37 $ 743 34 $ 685 14 22 $ 471 25 24 $ 518 16 44 $727 For planning purposes, the company's management wants to know the amount of variable quality control costs per unit and the total fixed quality control costs per week fixed quality control costs per week. Required: 1. Using the least squares regression method, estimate the variable and fixed elements of the quality control cost. (Round variable cost to 2 decimal places.) Fixed cost Vanable cost per unit 2. If the company produces 28 gas fireplaces next week, what are the expected total quality control costs? (Round intermediate and final value to 2 decimal places.) Total expected cost