Task instructions
Use only the supplied data. Separate what can be concluded from what remains uncertain.
Source A reports rising sales; Source B reports lower profit margins; Source C reports a one-time marketing expense. Identify which source best explains why profit did not rise with sales.
Practice workspace
Write notes or your response
03:00
Reveal answer key / expected response
Source C, together with the lower margins in Source B.
Official-style scoring criteria
Correct data interpretation, sufficiency judgment, and multi-source integration.