I need help with these problems. Can you explain with explanations?

QUESTION 4 Several years ago, Vince, who is single purchased 2,000 shares of Grey Corp $ 1244 stock from Black Corp for $120,000. Last year, Vince sold one-half of his Grey Corp stock to Sam for $15,000. During the current yeur, Vince sold the remaining Grey Corp stock for $10,000 Vince has a $50,000 ordinary loss for the current year. True False QUESTION 5 Megin selle land to her adulton, James, for its $30,000 appenised value. Her adjusted basis for the land is $35,000. Megin's recognized loss is $5,000 and James adjusted basis for the land is 530,000 True False QUESTION 6 The concept of depreciation assumes that the asset has a determinable useful life True False