Using the data below, what happened to the AA corporate default risk premium between these two dates? Security Jan. 15, 2019 Jan. 15, 2021 3-month Treasury bill yield 2.45% .09% 2-year Treasury note 2.53% .13% 10-year Treasury note 2.72% 1.11% 10-year AA corporate 3.49% 1.51% 10-year TIPS 0.91% -0.99% Increased by more than 25 basis points Increased by less than 25 basis points Decreased by less than 25 basis points 0 Decreased by more than 25 basis points