A 36 year-old female presents to your office with fatigue, shortness of breath, headaches and palpitations that are progressively getting worse over the last few weeks. On physical examination, you find a woman in mild distress with pallor and tachycardia. Laboratory tests are significant for microcytic anemia, due to iron deficiency anemia. From the laboratory values listed under A,B,C,D and E below, which reflects the laboratory values in this patient with iron deficiency anemia?
