man, i have done alot today, good thing im in a small hick town in Missouri, or else, i would be in a big huge city in Texas stalking Troy Aikman :P, well heres the prob
obj/NPC/
KingKai
layer = MOB_LAYER+1
icon = 'KingKia.dmi'
name "King Kia"
verb/Train
set src in view (2)
var/selling = input("What do you want to do?") in list ("Catch Bubbles","Smash Gregory","Exercise","Run Around","Eat")
var/cost

if(selling == ("Catch Bubbles")
cost = 50
var/choice = input ("Do you want to chase bubbles? You need a Power Level of [cost] and you have a Power Level of [round(usr.pl)]") in list ("Yes","No")
if(choice == "Yes")

if(usr.pl >= cost)
M.loc = locate(1,1,3)
..()
else
usr << "You can't handle it"
heres the errors
loading DBZ AFTA MATH.dme
Trans.dm:326:error: cost: missing comma ',' or right-paren ')'

DBZ AFTA MATH.dmb - 1 error, 0 warnings

line 326 is cost = 50