An organization of high school seniors performs services for patients at Leer Hospital. These students are volunteers and perform services that the hospital would not otherwise provide, such as wheeling patients in the park and reading to patients. Leer spent $1,500 on a recognition banquet and awards for these volunteers. Leer has no employer-employee relationship with these volunteers, who donated 4,000 hours of service to Leer during the year. At the minimum wage rate, these services would amount to $20,600, while it is estimated that the fair value of these services was $25,000. In Leer's statement of activities, what amount should be reported for donated services