The unit for electricity usage is kWh. For domestic usage, the monthly rate is 21.8 rupees/unit for the first 200 units, 25.8 rupees /unit for the next 800 units and 27.8 rupees /unit for each additional unit. Given the amount of electricity units (in kWh) used by a customer, calculate the amount of money needs to be paid by the customer. A bill statement needs to be printed out. Design the algorithm and flow chart to address the mentioned problem, then write a pseudocode to implement the flow of the program. (CLO 03)