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 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 2 (Algo) 2-a. Using the least squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per weeh 2.b. Express these estimates in the form Y=a+bX Complete this question by entering your answers in the tabs below. Using the least-squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week. (Round your answers to 2 decimal places.) 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: For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. xercise 5A-5 Part 3 (Algo) If the company processes fifteen units next week, what would be the expected total etching cost? (Round your intermediate alculations and final answer to 2 decimal places.) Express these estimates in the form Y=a+bX. (Round your