I have no promise that my answer is correct, however, that is my personal advise. total profit/(percentage of each item in the profit*figure of this item profit) Of course, you should sum up all the items (that is the denominator), and that is weighted averae This is my idea, you may make it just a reference, haha, what is your job? Your subject is finance? what is your additional spare time? do you play a game? i'd like to play MMORPG usually, if you do so, you could come to http://www.igxe.com/ find me
Chat with our AI personalities