b$.$ Marty received a $$10,000$ football scholarship for attending Northern University. The scholarship covered tuition, room and board, laundry, and books. Four thousand of the scholarship was

designated for room and board and laundry. It was understood that Marty would participate in the school's intercollegiate football program, but Marty was not required to do so$.($Enter a $"0"$ if none of

the scholarship should be included in the taxpayer's gross income.$)$

The amount of scholarship that Marty must include in his gross income is