A down jacket has a surface area of 0.75 m2 and is filled with a 4.1 cm thick layer of down, which has a thermal conductivity of 6.0 multiply.gif 10-6 kcal/(s · m · C°). The coat is worn by a person whose skin temperature is maintained at 28° C. The outer surface of the coat is at -18° C. At what rate is heat conducted through the coat?