Protected: Andrew Active 9 years ago Topics: 0Replies: 1☆ ProfileForums Topics StartedReplies CreatedEngagements Forum Replies Created Viewing 1 post (of 1 total) Author Posts March 9, 2015 at 7:49 pm #231841 AndrewMember Topics: 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??? thanks Author Posts Viewing 1 post (of 1 total)