The number of plumbing repair jobs performed by Auger's Plumbing Service in each of the last nine months is shown in the following table. Month Jobs March 352 April 388 May 341 June 375 July 395 August 408 September 398 October 411 November 407 (a) Assuming a linear trend function, forecast the number of repair jobs Auger's will perform in December using the least squares method. (Round your answer to three decimal places.) jobs (b) What is your forecast for December using a three-period weighted moving average with weights of 0.6 for the most recent observation, 0.3 for the second most recent observation, and 0.1 for third most recent observation? jobs How does it compare with your forecast from part (a)? It is --Select--- the forecast from part (a).