Tesla Inc. issued convertible bonds with a face value of $1,000, a coupon rate of 4%, and semi-annual coupon payments. The bond matures in 7 years and is convertible into 20 shares of Tesla common stock per $1,000 bond. The current market price of Tesla stock is $400 per share. Calculate: a) The bond's price if it were a non-convertible bond. b) The conversion price per share. c) The conversion premium. d) Assess whether it is advantageous for bondholders to convert the bonds into common stock.