Although the last response was a year ago, I'll respond here for any future inquiries. After talking to Rebecca, choose the option to work with her. This will go to a mini game where you shoot birds or drones (shot the birds :)). Shooting the drones will earn you money and after a bit, you can skip. Check your phone's piggy bank to see the balance.
Hint: Just shoot one drone and then click the skip button. It automatically gives you 100 for the session.
Another hint: code is money_account