API GetBankSlotCost

Returns the cost of the next bank bag slot.
 cost = GetBankSlotCost(numSlots)
==Arguments==
:;numSlots: - Number of slots already purchased.
==Returns==
:;cost: - 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