You can ask for your money back using the website provided by Google.
- Click Order History
- Find the order you want to return
- On the order, click the 3-dot menu button
- Select Request a refund and choose the option that describes your situation
- Complete the form and note that you would like a refund
You will see a message saying "thank you for sharing your concerns.".
You'll then get an email with your refund decision (it can take up to two business days).