please help

Question 13 Using the isothermal transformation diagram for an iron-carbon alloy of eutectoid compa following figure), choose the resulting microstructure for each of the time-temperature tr BOO Eutectoid temperature 1400 700 1200 P 600 1000 500 B 1 800 Temperature (C) Temperature (F) 400 1 600 300 Mestart) 200 50% MA 400 M(50%) M(90%) 100 200 10-1 1 10 10 104 105 102 Time (s) Cool rapidly to 600C, hold for 1000 s, then quench to room temperature. 100% coarse pearlite 100% fine pearlite Cool rapidly to 600C, hold for 1000 s, then quench to room temperature. 100% coarse pearlite 100% fine pearlite 100% bainite 100% martensite None