And not only that, the utility must agree to a long-term contract that covers power generation costs, plus a decent profit.

VOA: standard.2010.03.23

So the profit is 2 S1 plus S2 plus B S1 S2 minus S1 squared.

利润是2-S1平方

耶鲁公开课 - 博弈论课程节选

"Business income" insurance covers lost pretax profit plus ongoing expenses such as wages.

FORBES: Magazine Article

For the carriers, the program is a chance for them to sign up more subscribers and make a small profit, plus more money if customers go over their small initial allotment and need to buy more minutes or text messages.

WSJ: Millions Improperly Claimed U.S. Phone Subsidies

The second statistical mistake is that they are assuming that the labour share plus the profit share make up the national income.

FORBES: Trades Union Congress Misleads With Statistics On Wages