B C D E F H M 1 The president of a small manufacturing firm is concerned about the continual increase in manufacturing cost over the past several years. The figures given here provide a time series of the cost per unit for the firm's leading product for 8 years from 2011-2017. 10) Construct a time series plot. What type of pattern exists in the data? 11) Find the cost/unit forecast for 2020. 12) By how much does the cost increase every year? 2 Year Cost/Unit 3 2010 20 4 2011 24.5 5 2012 28.2 6 2013 27.5 7 2014 26.6 8 2015 30 9 2016 31 10 2017 36 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26