function calcSupplyCosts(thePlayer, itemID, isWeapon, supplyCost)
if not isweapon and id ~= 68 then
if exports.global:isPlayerPearlDonator(thePlayer) then
return math.ceil( 0.5 * supplyCost )
elseif exports.global:isPlayerSilverDonator(thePlayer) then
return math.ceil( 0.75 * supplyCost )
end
end
return supplyCost
end