Which of the following public charities has unrelated business income?

Question 8 of 75 . Which of the following public charities has unrelated business income? Wear It Proud, Inc., which operates a retail store that sells donated merchandise. Vets for Pets, Inc., which operates vending machines on-site for the use of employees. Spirit Boosters, Inc., which charges for parking during sporting events that take place at an unrelated nearby sta Operation Wilderness, Inc., which operates a summer day camp that is staffed entirely by volunteers. Mark for follow up Question 9 of 75