The following chart shows monthly figures for Apple stock in 2010.+ 350 A 300 250+ 200 150+ 100 211.98 Jan-10 Feb-10 235.97 211.98 218.95 195.46 246.94 Mar-10 Apr-10 255.96 235.86 May-10 Marked are the following points on the chart. 195.46 Jun-10 July 10 Aug. 10 Sep. 10 260.09 258.77 260.09 246.94 Jul-10 Aug-10 Sep-10 Oct. 10 258.77 294.07 ~294.07 Jan. 10 Feb. 10 Mar. 10 Apr. 10 May 10 June 10 218.95 235.97 235.86 317.13 Oct-10 Nov-10 Dec-10 317.44 Nov. 10 317.13 i 255.96 Dec. 10 317.44 Calculate to the nearest 0.01% your monthly percentage return (on a simple interest basis) if you had bought Apple stock in August and sold in October.