Remembering MC=MR part 2

After going to all of the effort of hiding MC=MR in a stereogram, I then use the following graphic to let the students know the hideous fate that awaits them if they draw the cost and revenue curves and then get the profit-maximising quantity incorrect.

Actually, Senior Management have said that we can’t use lines as punishment anymore (sigh). Thanks to David Smith for reminding me where this type of graphic can be created along with other banners with any text that you want - found here