<prompt>  A 29-year-old woman was found to have a hemoglobin of 7.8 gdl. with a reticulocyte count of 0.8. The peripheral blood smear showed microcytic hypochromic anemia, Hemoglobin A2 and hemoglobin F levels were 2.4 and 1.3 respectively. The serum iron and the total iron binding capacity were 15 micro gdl, and 420 micro gdl, respectively. The most likely cause of anemia isIron deficiency anemiaBeta-thalassemia minorSideroblastic anemiaAnemia due to chronic infection 