I am working on a UI for a reservation system where a unit can either be rented on a flat fee OR per duration. For duration mode, the unit can be rented based on blocks of hours.
In the case below, the cost to rent the unit for the first 4 hours is $25. For 4 - 8 hours, the cost is $50.
The challenge is allowing user to specify a cost for infinite use. Another words, the product owner can technically enter 1,000,000 in the box I highlighted below but I'm looking for a more eloquent solution.
Any suggestion? I appreciate your time in advance...
I have 2 versions at the moment: