Foundation for Youth is a not-for-profit entity that provides athletic competitions for high school students. It utilizes a number of volunteers in carrying out its mission. At the 2023 Games, volunteers provided a total of 100 hours of service performing tasks such as guiding spectators to their seats and distributing bottled water to the athletes. The average, local wage at that time was $20.00 per hour. Also in 2023, a local CPA firm donated its services to prepare the Foundation's annual financial statements and the Form - 990 that the Foundation must file with the IRS. If purchased, the CPA services would have cost $2,500. How much contributed service revenue should Foundation for Youth recognize in 2023?

a. $4,500

b. $2,500

c. $2,000

d. $0