It basically means that the term in the brackets cannot become negative. Assume that your completion time is 5 and your due date is 6, then according to the formula your revenue would increase by 1 (-w*-1=+1). But the article states that you are not rewarded if you deliver the order before the due date. That is what the little plus means.
I hope I could help you!
How can re-sit assignment load be the this amount
two essay with summary and explaination with relevance to game and tutorial and search for article which is related to essay?
Even find a contribution to other article?
Moreover, PPT for each essay?
It's bull shit!!
Upgrade all your machines to level 3 in the first 3 turns, pray for good contracts, and try to make only denim and wool (cheapest materials to buy = bigger margins).
And of course, don't employ too expensive employees