All Topics / Value Adding / OC1’s development – in detail Search for: Viewing 21 post (of 21 total)« 1 2 oc1Participant@oc1Join Date: 2012Post Count: 148 March 24, 2013 - 12:10 pm Hi HaydenI've done it often enough that I get the numbers right with a simple spreadsheet I use. I always make sure each development has a lot of fat and allow a 5% buffer to be safe. Sorry, no magic formula. OscarViewing 21 post (of 21 total)« 1 2You must be logged in to reply to this topic. If you don't have an account, you can register here.