Part I: Return calculations Consider the following (actual) monthly adjusted closing price data for Starbucks stock over the period December 2004 through December 2005 End of Month Price Data for Starbucks Stoclk December, 2004 January, 2005 February, 2005 March, 2005 April, 200.5 May, 2005 June, 2005 July, 2005 August, 2005 September, 2005 October, 2005 November, 2005 December, 2005 $31.18 $27.00 $25.91 $25.83 $24.76 $27.40 $25.83 $26.27 $24.51 $25.05 $28.28 $30.45 $30.51