The Current Exchange Rate Is £1

The current exchange rate is £1.00 = $2.00.Compute the correct balances in Bank A's correspondent account(s) with bank B if a currency trader employed at Bank A buys £45,000 from a currency trader at bank B for $90,000 using its correspondent relationship with Bank B)

A) Bank A's dollar-denominated account at B will rise by $90,000.
B) Bank B's dollar-denominated account at A will fall by $90,000.
C) Bank A's pound-denominated account at B will rise by £45,000.
D) Bank B's pound-denominated account at A will rise by £45,000.