单项选择题
Hongfa Corporation has 50,000 shares of ¥10 par common stock authorized. The following transactions took place during 2018, the first year of the corporation's existence:
Sold 5,000 shares of common stock for ¥18 per share.
Issued 5,000 shares of common stock in exchange for a patent valued at ¥100,000.
At the end of the Hongfa' s first year, total paid-in capital amounted to ____
A、¥40,000.
B、¥90,000.
C、¥100,000.
D、¥190,000.