He made a charitable contribution.

Social contribution is when someone or a business participates or adds to the community that they belong to. Fundraisers and charitable events are good examples of social contribution.

$250

http://taxes.about.com/od/deductionscredits/a/CharityDonation.htm

Contribution is generally associated with a gift to a common fund or collection whereas donation refers to a gift to a charitable organization. Money given to political campaigns are contributions (not donations) and money or tangible items given to the Salvation Army or another charitable organization are donations (not contributions.)

Helping society can be the main contribution of entrepreneurship. A successful entrepreneur can help the society in following ways by donating, starting a charitable institution,sponsoring a child for higher education etc .