Norm Mining Bank Corp. is operating under an 8% required reserves system. It currently has $500 billion in deposits and $40 billion in reserves. The central bank reduces the reserve requirement to 6%. What is Norm Mining Bank's current reserve holdings from a regulatory accounting perspective assuming no material changes to its bank's deposit, reserve, and cash position? (Note: negative figures are expressed using parentheses.) O A $40 billion in Required Reserves and ($10 billion) in Excess Reserves OB. $40 billion in Required Reserves and $10 billion in Excess Reserves C. $30 billion in Required Reserves and ($10 billion) in Excess Reserves OD. $30 billion in Required Reserves and $10 billion in Excess Reserves