In march 2014, a local not for profit organization received a pledge from a donor for$ 10,000;the donar promised to pay the money to the organization in september 2014,to be used in providing reading programs for underprivileged children.The donor gave money to the organization in september 2014,and it was spent for reading programs in the first half of 2015.when should revenue associated with this contribution be recognized?(Accounting for governmental &NFP)