Write a program to calculate and print the Electricity bill of a given customer. The

customer ID, name and unit consumed by the user should be taken input from the

keyboard. Then, display the total amount to be paid by the customer. The unit charges

are to be charged as per the rules given below:

Number of units consumed Charge per unit

1 to 199                                 5 Rs.

200 to 399                             10 Rs.

400 to 599                             15 Rs.

600 or more                           20 Rs.

#include <iostream>
#include <cstring>
using namespace std;

int main()
{
cout<<"Calculating Bill Of Electricity\n";
cout<<"===============================\n";
string name;
string customer_id;
float consumed_unit;
getline(cin, name);
cout<<"Please enter Customer Id : ";
cin>>customer_id;
cout<<"Please enter Consumed Unit : ";
cin>>consumed_unit;
if (consumed_unit < 0)
{
}
else if (consumed_unit > 0 && consumed_unit < 200)
{
/* code */
cout<<"Hello Mr. "<<name<<endl
<<"Id : \t"<<customer_id<<endl
<<"Your Electricity Bill is : "<<consumed_unit*5;
}
else if (consumed_unit > 199 && consumed_unit < 400)
{
/* code */
cout<<"Hello Mr. "<<name<<endl
<<"Id : \t"<<customer_id<<endl
<<"Your Electricity Bill is : "<<consumed_unit*10;
}
else if (consumed_unit > 399 && consumed_unit < 600)
{
/* code */
cout<<"Hello Mr. "<<name<<endl<<"Id : \t"
<<customer_id<<endl<<"Your Electricity Bill is : "
<<consumed_unit*15;
}
else
{
/* code */
cout<<"Hello Mr. "<<name<<endl<<"Id : \t"
<<customer_id<<endl<<"Your Electricity Bill is : "
<<consumed_unit*20;
}

return 0;

}