fondation slab--?

[MIKIPAL]

qUESTION-ON INTRDUCTION PAGE SLAB FONDATION MEASUREMENTS LISTED FOR 42"OVEN IS 77X86''--------ON MATERIAL LIST IT IS 80X94 BEING A NEWBIE GOT TO GET IT STREIGHT IN MY HEAD,DAD ALWAYS SAID GET THE FONDATION RIGHT AND THE REST WILL FOLLOW.HOPE SOMEONE CAN HELP.EMAIL SPAZISS@OPTONLINE.NET THANX