How Are Stock Issuance Costs and Direct Combination Costs Treated

How are stock issuance costs and direct combination costs treated in a business combination which is accounted for as an acquisition when the subsidiary will retain its incorporation?

A) Stock issuance costs are a part of the acquisition costs,and the direct combination costs are expensed.
B) Direct combination costs are a part of the acquisition costs,and the stock issuance costs are a reduction to additional paid-in capital.
C) Direct combination costs are expensed and stock issuance costs are a reduction to additional paid-in capital.
D) Both are treated as part of the acquisition price.
E) Both are treated as a reduction to additional paid-in capital.