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 six weeks: Unts Guality Contro Week Produced Costs $790 $630 $870 $610 $710 $830 35 50 32 38 47 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 Required: 1. Using the least-squares regression method, estimate the variable and fxed elements of the quality control cost. (Round variable cost to 2 decimal places.) Fixed cost Variable cost per unit Express the cost data in requirement 1 above in the form Y= a + b). (Round variable cost to 2 decimal places.) 2. 3. If the company produces 40 gas fireplaces next week, what are the expected total quality control costs? (Round intermediate and final value to 2 decimal places.) Total expected cost