Silveroak Semiconductor stock trades at $72. A 3-month European call option with a strike of $70 is priced at $5.80, and the corresponding European put is priced at $2.40. The continuously compounded risk-free rate is 5%. The present value of the strike is $70 x e^(-0.05 x 0.25) = $69.13. Based on put-call parity, the most appropriate arbitrage strategy is to: