ARRForums › Ask ACCA Tutor Forums › Ask the Tutor ACCA SBL Exams › ARRThis topic has 2 replies, 2 voices, and was last updated 10 years ago by GC.Viewing 3 posts - 1 through 3 (of 3 total)AuthorPosts October 16, 2014 at 6:58 am #204554 GCMemberTopics: 5Replies: 2☆Dear sir,Would like to ask a question when calculate the ARR :Estimated average annual profit / average investment x 100%Why the average investment = the initial investment “Plus ” residual value & divided the amount by 2?Why not “deduct “the residual value & why divide by 2, not the whole project year (for example 5 years), thanks. October 16, 2014 at 8:22 am #204560 Ken GarrettKeymasterTopics: 10Replies: 10540☆☆☆☆☆Average = average of initial investment and ending investment.To take an extreme example, if you had $100 in the bank at the start of the year and $90 at the end, your average would be (100 + 90)/2 = 95, not (100 – 90)/2 = 5. October 17, 2014 at 6:13 am #204690 GCMemberTopics: 5Replies: 2☆got it, thanks!!AuthorPostsViewing 3 posts - 1 through 3 (of 3 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In