Child cost/benefit.
Wow, that's a big question. I have 3, two are out of the house now, the 3rd is still in college and living here.
College is a big part of it, if you plan to pay for them to go...
It takes billions of money to repay the destruction of these forest, most times, they do overweigh the cost but soon, they it shows it's more expensive to treat the effects of these actions.
Costs are the outlays or expenditures made in order to obtain a benefit. Many costs are measured monetarily, such as the cost of buying a new machine or of hiring an additional employee.
Having a social skill would benefit you because you will have the upper edge on anyone you my meet in life. For example negotiating a business deal, you will have superiority over the other person...