justin owns 400 shares of oan stock which he bought 10 months ago at $20 per share and has now risen to $35 per share. he is afraid the stock price will fall before he has owned it for a full year, but wants to postpone realizing profits on the stock for several months, when it will become a long-term rather than short-term gain. he can protect his profit and avoid the short-term capital gains rate by: group of answer choices writing covered calls buying calls buying puts writing puts