I am trying to trade in my 03 3500 Quad on a 2005 model. I want the same truck except 6 speed instead of Auto. My sticker was $39,300 and I paid $33,700 OTD in July 03. Dealer found me a 05 with sticker of $44100. They will go invoice minus $2000 rebate, $1000 trade in allowance, and $300 for...