! Required information 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 Units Total Etching Cost 1 5 $ 22 2 7 21 3 10 25 4 5 20 5 16 28 17 32 60 $ 148 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. 2-a. Using the least-squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week. 2-b. Express these estimates in the form Y = a + bx. Complete this question by entering your answers in the tabs below. Req 2A Req 2B Express these estimates in the form Y = a + bx. (Round your answers to 2 decimal places.) Y = X < Req 2A Req 2B >