Adrian was awarded an academic scholarship to State University for the 2015-2016 academic year. He received $6,500 in August and $7,200 in December 2015. Adrian had enough personal savings to pay all expenses as they came due. Adrian's expenditures for the relevant period were as follows:
Tuition, August 2015 ................................ $3,700
Tuition, January 2016 ................................ 3,750
Room and board
August-December 2015 ............................ 2,800
January-May 2016 .................................. 2,500
Books and educational supplies
August-December 2015 ........................... 1,000
January-May 2016 .................................. 1,200
Determine the effect on Adrian's gross income for 2015 and 2016.