4. Write an algorithm in pseudo-code to calculate a monthly electric bill for a house. Assume you have as input the meter reading at the beginning and end of the month in kilowatt hours (kwh) and the cost per kilowatt hour as follows: a. First 500 kwh per month: $0.05 each b. kwh over 500 but less than or equal to 1000: $0.07 each c. kwh over 1000: $0.10 each Example: Enter meter at the beginning of the month (kWh): > 1000 Enter meter at the end of the month (kwh): > 1750 Invoice: 42.5