e) Referring to the provided below simplified Iron-carbon phase diagramgraphically work out: I.What phase or phases exist in an alloy of 3 wt% C in Fe at 1200°C. II.Phase compositions

in an alloy of 3 wt% C in Fe at 1200°C. III.Phases amount for an alloy of 3 wt% C in Fe at 1200°C.