Ok i was wrong the cash register actually read $847.65.

Homers moms name is never told although one of her fake licenses says 'Penelope Olsen' the name which also appaers in the family tree in the front of the simpsons Photo album. All her other names have the same initials (MS). Her name may be Mona (the same as Ned's Mothers). Her middle name is never revealed as neither is her full name. And if you really wanna know the voice of grandma simpson was done by Glenn Close...Next

My Question is: what is Martin Princes IQ?