A lightbulb emits 5.95% of its energy as electromagnetic radiation. What is the magnitude of the average Poynting vector 8.31 m from the bulb?

a) a + 94.3 - w + 5.95/100
b) (a + 94.3 - w) divided by 8.31
c) 8.31 divided by (a + 94.3 - w)
d) 5.95 divided by 8.31