Most of us are willing to help those who help themselves. Spoon-feeding provides little benefit.
Based on the lack of information provided (initially), I don’t think you understand the basics of a lease. No person should be signing any contract which they don’t understand. I’m not saying this simply to be a prick - this is advice I would offer to a friend.
WOW! $84,000 for the next four years and if you want to buy the truck you’ll end up paying $130,000 if not more. I won’t yuck somebody’s Yum but man that is a high note.