Couldn't you use the configurator and check the rates?

I know Toyota Canada has that tool where you can use their TFS lease rates and see the monthly payments after taxes.

Mods: EV mod, VVT-i emblem, sport pedals, OEM cargo mat, JDM Prius interior footwell lighting, Sylvania Silverstars 9003ST, DICE iPod kit, OEM all-weather mats, TomTom ONE v2, LED licence plate lights.