Consider a person standing in a room that is at a temperature of 21 °C. Determine the total heat rate from this person if the exposed surface area of the person is 1.6 m2 and the average outer surface temperature of the person is 30 °C. The convection coefficient from the surface of the person is 5 W/m2 °C. What is the effect of radiation if the emissivity of the surface of the person is 0.90?