answered 2/23/2010 Can You Help? Write A C Program That Computes The Monthly Electricity Bill Of WAPDA Customers. System Should Take Input Of Electricity Units Consumed By The Customer, For The First 100 Units, WAPDA Charges RS 3/unit, For Next 100 Unites RS 5/unit, For Next 100 Uni? #include #include class bill { int units; float amt; public: Void reading() { coutunits; } void calculate(); }; void bill::calculate() { if(units