Seemingly minor changes in the terms of a grant can affect the timing of revenue recognition. The Foundation for Educational Excellence has decided to support the Tri-County School District's series of teacher training workshops intended to improve instruction in mathematics. The foundation is con- sidering four ways of wording the grant agreement, which would be dated December 1, 2018: 1. The foundation agrees to reimburse the district for all workshop costs up to $200,000. The foundation is pleased to enclose a check for $200,000 to be used exclusively to support a series of teacher training workshops intended to improve instruction in mathematics. 2. The foundation will donate $200,000 to the school district as soon as the district conducts its planned series of teacher training workshops, intended to improve instruction in mathematics. 3 The foundation is pleased to enclose a check for $200,000 to be used exclusively to support a series of teacher training workshops intended to improve instruction in mathematics. The workshops are to be conducted between January 1 and December 31, 2019 4. The school district expects to conduct the workshops in 2019. Explain how the wording of the grant agreement would affect the year in which the school district rec- ognized revenue. Indicate the relevant restriction, contingency, or eligibility requirement (e.g., time require- ment; purpose restriction) to which each grant is subject, and explain how it bears on the issue of revenue recognition