Northern Corporation Invested $800 Cash in South Company Stock

Northern Corporation invested $800 cash in South Company stock.As a result of this transaction:

A) The balance in the Cash account on Northern Corporation's books would decrease, while the balance in the Cash account on South Company's books would increase.
B) South Company would have a cash inflow from investing activities.
C) Northern Corporation would have a cash outflow from financing activities.
D) All of these statements are true.