Seattle City Light charges residents for electricity on a daily basis during the winter months of 2018. There is a basic daily charge of 16.61 cents. In addition, for each day, the first 16 kWh cost 7.68 cents per kWh and any additional kWhs are 13.06 cents per kWh. (A kWh is a unit of energy.) (a) Complete the table below which shows the cost in dollars of usage from 0 to 40 kWh in increments of 5 kWh. kWh Cost in dollars kWh Cost in dollars 0 0.1661 25 2.5703 5 0.5501 30 3.2233 10 0.9341 35 3.8763 15 1.3181 40 4.5293 20 1.9173 (b) Write a piecewise defined function to describe the usage rate. NOTE: Enter the exact answer in dollars, or round to three decimal places. 0.1661 + 0.0768 for 0 16 (c) What is the cost for 39 kWh? NOTE: Round your answer to two decimal places. The cost of 39 kWh is $ 4.44 (d) How many kWh can you burn on a day for $4? NOTE: Round your answer to three decimal places. You can burn kWh on a day for $4