Andrew Active 7 years agoTopics: 0Replies: 1☆ProfileForumsTopics StartedReplies CreatedEngagementsForum Replies CreatedViewing 1 post (of 1 total)AuthorPosts March 9, 2015 at 7:49 pm #231841 AndrewMemberTopics: 0Replies: 1☆Hi guys, if you go to the top most. just the first question, i dont understand how 50,000 was deducted instead of 40,800. the formula says “cost at high level of activity-cost at low level”. so how was 50,000 low level??? thanksAuthorPostsViewing 1 post (of 1 total)