If you have an electric oven in your kitchen that loses heat at an average rate of 500 Watts to the environment when in use. How much energy is lost to the environment over the course of 1 month if your average usage is 20 hours per month?
A. 3.6×10⁷ J
B. 1.0×10⁵ J
C. 6.0×10⁶ J
D. 3.6×10⁵ J