"Not that it matters but the leasing agent was only paid a commission for the 34 month paid portion"

That's how the commission rate was determined. You seem to be mixing the perspectives. You stated it is a 36-month lease, and that is why there is a commission. The rest of the details are between the owner and the occupant. A 36-month lease, no matter what discounts and reductions were offered, is what you told us. And either 34-months or 36-months puts this into the same 3 years, anyway. If it mattered.