function buildPriceCache(shopID)
priceCache[shopID] = { }
if tonumber(shopID) == 4 then
local activeShop = copy( g_shops[shopID] )
for key, value in ipairs( activeShop ) do
   if value[1] and value[2] and vehiclecount[ value[1] ] then
      priceCache[shopID][ value[1] ] = value[1] 
   end
end
return
end
local activeShop = copy( g_shops[shopID] )
for key, value in ipairs( activeShop ) do
   if value[1] and value[2] and vehiclecount[ value[1] ] then
      priceCache[shopID][ value[1] ] = value[2] + ( vehiclecount[ value[1] ] or 0 ) * 600
end
end
end