Identify investments as an investment in either debt securities or equity securities$.$

$\backslash$table$[[$a$.$ Georgia highway municipal bonds,$],[$b$.$ Walmart stock,$],[$c$.$ Discover certificate of deposit,$],[$d$.$ Verizon bonds,$],[$e$.$ Vera Bradley stock,$],[$f$.$ Greece government bonds,$],[$g$.$ U$.$S$.$ Treasury bonds,$],[$h$.$ Google stock,$],[$i$.$ IBM corporate notes,$],[$j$.$ German government bonds,$],[$k$.$ Ireland government bonds,$],[$I$.$ David Bowie bonds,$]]$