Two refrigerators with same quality and quantity of service: Option A: costs BD. 600, draws electricity at an average of 150 W/hr, lifespan is 20 years Option B: costs BD. 700, draws electricity at an average of 100 W/r, lifespan is also 20 years If cost of electricity is BD. 0.09/2wh. 1) which one would you choose and why? What is paybacie period? What is profitability? 2) same requirements as part one but life span for option B = 15 years. Two refrigerators with same quality and quantity of service: Option A: costs BD. 600, draws electricity at an average of 150 W/hr, lifespan is 20 years Option B: costs BD. 700, draws electricity at an average of 100 W/r, lifespan is also 20 years If cost of electricity is BD. 0.09/2wh. 1) which one would you choose and why? What is paybacie period? What is profitability? 2) same requirements as part one but life span for option B = 15 years