To use the Paypal option you have to enter billing amount or the amount you wish to pay in the item price field.
Then update….

There is a shipping/delivery fee this is actually a processing however Paypal has it missed labeled.

Dues are $51.90 a month but will be increasing to $53.90 1/1/2020
Per event fees are $7.00 per shift you worked, not to exceed a full months of dues (53.90)