Kotzie won a $25,000 bowling scholarship from Mission Place Bowling Alley. The requirement for this scholarship was that Kotzie enroll in college full-time and maintain a "B" average. In 2022, Kotzie used the $25,000 to pay $15,000 in tuition, $2,000 in school books, $1,000 in lab fees, $500 for a campus parking pass, $3,000 for a meal ticket at the main school cafeteria, $3,500 for 2 new bowling balls, 2 new bowling outfits, and a yearly pass at the bowling alley near campus. How much of the scholarship is non-taxable?