I have the chance to buy a 2000 exmark with 1100 hours on the body and a reciept for a new motor and the motor has 200 hours on it... 48" dech not rusted or dented seat has a rip in the arm and he does only res. accounts. the mower i think is in fair contion and he told me to make him a offer he bought a new scag last year and has not used it sence ... what do you think a fair price is ???