Which of the following would be a wash sale? Explain.
a. You buy a stock at $30. Three weeks later, you sell the stock at $26. Two weeks later, you buy a call on the stock.
b. You buy a stock at $40. One month later, you buy a call on the stock. One week later, you sell the stock for $38.
c. You buy a stock for $40. Three months later, you sell the stock for $42 and buy a call on the stock.
