Be sure to select For goods and services
Wait for the invoice to be generated, then copy the invoice number and click on Continue payment
To start paying, click on the Pay button in the task
Choose if you want to pay as an individual or a company, choose PayPal as a payment method, enter your real name and country as it appears in PayPal
You will be redirected to the PayPal payment page.
Enter the exact amount (up to cents) and currency, as in the task.
You must paste the invoice number in the comment section.