Editing WoW:API GetBankSlotCost

{{wowapi}}
Returns the price of a particular bank slot.
 cost = GetBankSlotCost(numSlots);

== Arguments ==
; numSlots : Number - Number of slots already purchased.

== Returns ==
; cost : Number - Price of the next bank slot in copper.

== Example ==
The following example outputs amount of money you'll have to pay for the next bank slot:
 local numSlots,full = GetNumBankSlots();
 if full then
  print("You may not buy any more bank slots");
 else
  local c = GetBankSlotCost(numSlots);
  print(("Your next bank slot costs %d g %d s %d c"):format(c/10000, c/100 % 100, c % 100));
 end