6. (30 points) Given the following information for an insurance product: i) Each policy insures only one car. ii) policies are earned evenly throughout the year. Policy B C D E CF Effective Date Original Expiration Date Cancellation Date Number of Policies February 1, 2017 July 31, 2017 N/A 20 May 1, 2017 October 31, 2017 N/A 50 August 1, 2017 January 31, 2018 N/A 100 November 1, 2017 April 30, 2018 January 31, 2018 70 January 1, 2018 June 30, 2018 March 31, 2018 60 July 1, 2018 December 31, 2018 N/A 110 Questions: a. (10 points) Calculate the written car years in calendar year 2017. b. (10 points) Calculate the earned car years in policy year 2018. c. (10 points) Calculate the number of in-force policies as of January 1, 2018