l. The purpose and character of the use , including whether such use is of a commercial nature or is for nonprofit educational purposes ; 2. The nature of the copyrighted work; 3. The amount and substantiality of the portion used in relation to the copyrighted work as a whole ; 4. The effect of the use upon the potential market for or value of the copyrighted work. Four statutory factors governing fair use 1. Effect on the market 2 Amount and substantiality of the portion used 3. Nature of the copyrighted work 4 Purpose of the use