Rental fee discount (not incl delivery&setup / teardown&collection)

Rental value more than $200 - 5% off
Rental value more than $300 - 7% off
Rental value more than $400 - 9% off
Rental value more than $500 - 11% off
Rental value more than $600 - 13% off
Rental value more than $700 - 15% off cap