Vaughn Corporation is considering the issue of commercial paper and would like to know the yield it should offer on its commercial paper. The corporation believes that a 0.2 percent default risk premium, a 0.1 percent liquidity premium, and a 0.3 percent tax adjustment are necessary to sell its commercial paper to investors. Furthermore, annualized T-bill rates are 7 percent. Based on this information, Vaughn should offer ____ percent on its commercial paper.