3.6. Macro for multiple optimization (Module 3. Portfolio optimization): Video lectures for the web course A220A0053 Investment and Business Analysis with Excel, Lappeenranta Univerisity of ... atOptions = { 'key' : 'a8dfc29b76f8e0e43144f40c1f6e4e79', 'format' : 'iframe', 'height' : 90, 'width' : 728, 'params' : {} }; document.write('');