Select your number of riders from the drop-down menu on the left.
After you click on "Pay Now" button, on the left, it will open a new window.
In the new window, if you want to pay with "PayPal," fill in your information.
If you instead want to pay with a Credit Card or a Debit Card,
click on the link that looks like the screenshot below.
A link will then appear that looks like the next screenshot.
Please fill in the information that is below the "Don't have a PayPal account" section
and then click on the "Continue" button to fill in your Credit Card information.