The Norfolk Bank Has $18,000 in Excess Reserves, and the Reserve

The Norfolk Bank has $18,000 in excess reserves, and the reserve ratio is 20 percent. How much checkable deposits and reserves does this bank hold?

A) $160,000 in checkable-deposit liabilities and $48,000 in reserves
B) $140,000 in checkable-deposit liabilities and $46,000 in reserves
C) $120,000 in checkable-deposit liabilities and $32,000 in reserves
D) $100,000 in checkable-deposit liabilities and $30,000 in reserves