Active 8 years agoTopics: 0Replies: 1☆ProfileForumsTopics StartedReplies CreatedEngagementsForum Replies CreatedViewing 1 post (of 1 total)AuthorPosts February 18, 2016 at 12:19 pm #300967 sperancaMemberTopics: 0Replies: 1☆answer is CPED= % in quantity / % in price = 14%/20% = 0.7AuthorPostsViewing 1 post (of 1 total)