Just to be precise, I’m not saying LH should charge (though they could), maybe the brokers or other members of the site want to do it.
I hope the responses to this thread don’t discourage people from making suggestions (keep them coming), but they are usually from the perspective of one person trying to save time leasing their 1 car a year. Breaking out the incentives (for instance) solves the problem of where to put those, but which are/aren’t taxable varies, and so you would still need to know that to calculate the lease correctly. You still end up with a user education problem, even though we have
and (courtesy of @mllcb42):