Electric Bill Problem 3.0 (20 Points) What is the total cost of using the following at /kWh? a. 1600 W air conditioner for 6h b. 1200 W hair dryer for 15 min .4800 W clothes dryer for 30 min d. 900 W coffee maker for 10 min 200 W Play Station 3 for 2 h e. f. 50 W stereo for 3.5 h