Contribution Forums › ACCA Forums › ACCA PM Performance Management Forums › Contribution This topic has 0 replies, 1 voice, and was last updated 4 years ago by Kendra. Viewing 1 post (of 1 total) Author Posts August 10, 2021 at 8:40 am #630996 KendraParticipant Topics: 3Replies: 1☆ Contribution = Sales – Variable Cost. So, what does lost contribution means? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In