One-month treasury bills with a $10,000 face value are currently selling for $9,992.20; 15-day commercial paper has a discount yield of 1.10%, 3-month bankers' acceptances are yielding 1.20%; and 5-year treasuries yield 1.40%. You have been informed by your boss that the company you work for has $1M in excess cash, which will be needed for other uses in 30 days. Given the information above, explain what advice you would give your boss.