Talk:Profitability/@comment-4192477-20110723212956/@comment-4045164-20110724091013

You wrote in your user page:

1 of 14 events is the repair event and the other 13 events are collect events.

You forget 1 thing. After a repair the income starts automaticly. So 13 * income + (1 * repair + 1 * income) gives 14 * income + 1 * repair.