A portfolio manager at an investment fund specializing in trading precious metals is evaluating the current pricing conditions in the silver market. The manager observes that the spot price of silver is USD 24.70 per ounce and a 6-month forward contract is quoted at USD 25.00 per ounce. If the annually compounded risk-free interest rate is 2%, and assuming no lease rate, no storage costs, and no convenience yield, which of the following trades should the manager make to earn an arbitrage profit?