4. Skyhigh Co. has 10,000 shares authorized of which 5,000 shares are issued and outstanding. Mr. Koo bought 1,000 shares of Skyhigh Co. from Mr. Chan at $25,000, this transaction will: A. increase the contributed capital of Skyhigh Co. by $25,000

B. increase the issued and outstanding shares of Skyhigh Co. to 6,000

C. decrease the issued and outstanding shares of Skyhigh Co. to 4,000

D. have no effect on Skyhigh Co