hours) used during the month. (A) Write a piecewise definition of the monthly charge S(x) for a customer who uses x kWh in a summer month. (B) Graph S(x). TABLE 3 Summer (July-October) Base charge, $8.50 First 700 kWh or less at 0.0650/kWh Over 700 kWh at 0.0900/kWh 66. Electricity rates. Table 4 shows the electricity rates charged by Monroe Utilities in the winter months. (A) Write a piecewise definition of the monthly charge W(x) for a customer who uses x kWh in a winter month. TABLE4 Winter (November-June) Base charge, $8.50 First 700 kWh or less at 0.0650/kWh Over 700 kWh at 0.0530/kWh (B) Graph W(x). State income tax. Table 5 shows a recent state income tax schedule for married couples filing a joint return in the state of Kansas. (A) Write a piecewise definition for the tax due T(x) on an income of x dollars. (B) Graph T(x). (C) Find the tax due on a taxable income of $40,000. Of