10- On December 31, X Co. acquires 100% of Y Co. by exchanging 10,000 shares of its common stock (5 $ par value, 77 $ market value) for all of the common stock of Y Co., which will remain in existence as a wholly owned subsidiary of X Co.. On the date of the acquisition, the book value of Y Co. is 600,000 $. X Co. believes that Y Co.s property, plant, and equipment is undervalued by 20,000 $ and its long-term liabilities is overvalued by 30.000 $. What is the goodwill in this transaction?

1. 100.000 $
2. 120.000 $
3. 160.000 $
4. 180.000 $