Required information Exercise 5A-5 (Algo) Least-Squares Regression [LO5-11] George Caloz & Frres, located in Grenchen, Switzerland, makes luxury custom watches in small lots. One of the company's products, a platinum diving watch, goes through an etching process. The company has recorded etching costs as follows over the last six weeks: Week Total Etching 1 Units 10 Cost $ 27 2 4 20 3 12 27 4 5 22 10 25 6 29 $ 150 15 56 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. Exercise 5A-5 Part 3 (Algo) 3. If the company processes thirteen units next week, what would be the expected total etching cost? (Round your intermediate calculations and final answer to 2 decimal places.) Expected total etching cost