Sunil's online distribution company sold one of its facilities last year, and Sunil has been tasked with making a recommendation on how to use the proceeds of the sale. The director of operations has indicated that they may need the money in about six months to purchase new machinery, so Sunil needs a safe way to hold onto the funds. Ideally, he would find a way to save the money while still earning a small return. How should he hold the funds?