"Make a donation on the Epsilon website" is an objective in the Strangers and Freaks missions from The Epsilon Program in Grand Theft Auto V.
Walkthrough[edit]
After Seeking The Truth:
Use your smart phone to go to the Epilson website and scroll down to the donation tab. Choose the first option presented to donate $500 and set up for the next Epilson mission.
After Accepting The Truth:
Donate $5,000
After Assuming The Truth:
Donate $10,000