The income of a small business for several years is given in the table below. Year Thousands of Dollars 15.6 56.2 73.8 2010 2011 2012 2013 2014 2015 2016 2017 65.8 60.2 63.2 87.6 142.8 a) Perform regression to find a cubic polynomial that fits the data. Use years since 2010 as your inputs. p(2) = Round all values to 4 decimal places. b) Use the model to predict the income of the business in 2020. $ thousand Round to 2 decimal places. c) Use the model to predict when the business income will reach $1,200,000. Round to the nearest whole year