Mohamed gives ideas of changing the traditional lighting in his home to LED Energy Saving Lights. The traditional lights consume a total of 20 kWh per month, whereas LED will consume only 8 kWh per month. Each new LED light cost BD 201-. Note that there are 50 traditional lights in Mohammed's home. Note that each KWH cost is BD 1/- If Mohammed decides to change the lights to LED, what is the payback period of his investment? O 1.67 Months O 0.6 Month OBD 24/- per year OBD 600/