--- trunk/NationalProblemLibrary/Rochester/setDerivatives8RelatedRates/s2_8_21.pg	2010/05/28 14:51:29	1315
+++ trunk/NationalProblemLibrary/Rochester/setDerivatives8RelatedRates/s2_8_21.pg	2010/05/28 14:52:41	1316
@@ -26,7 +26,8 @@
 "PGbasicmacros.pl",
 "PGchoicemacros.pl",
 "PGanswermacros.pl",
-"PGauxiliaryFunctions.pl"
+"PGauxiliaryFunctions.pl",
+"PGcourse.pl"
 );
 
 TEXT(beginproblem());