Office Etiquette, 1950

 First viewing

A short that popped up riffed by The Mads Are Back, the riffing team of Trace Beaulieu and Frank Conniff from Mystery Science Theater 3000. 

A young woman goes from secretarial school to a secretary job then advances through hard work and not slacking off writing personal letters or reading the newspaper on the company time. She makes it up to the head of Personnel where she hits the glass ceiling and gets a concussion. She trains her replacement.