Sava Corporation Was Organized on January 1, 2019, with an Authorization

Sava Corporation was organized on January 1, 2019, with an authorization of 5,000,000 shares of $4 par value common stock. During 2019, Sava had the following common stock transactions:
Jan) 4: Issued 300,000 shares @ $48 per share.
Apr) 8: Issued 100,000 shares @ $36 per share.
July 29: Purchased 90,000 shares (treasury) @ $42 per share.
Oct) 18: Sold 60,000 shares held in treasury @ $54 per share.
Dec) 31: Sold 30,000 shares held in treasury @ $36 per share.
Sava had no other transactions affecting paid-in capital.
At December 31, 2019, what is the total amount of paid-in capital?

A) $18,720,000
B) $18,540,000
C) $15,960,000
D) $16,320,000