Write a program to calculate the monthly telephone bills as per the following rule:
Minimum Rs. 200 for upto 100 calls.
Plus Rs. 0.60 per call for next 50 calls.
Plus Rs. 0.50 per call for next 50 calls.
Plus Rs. 0.40 per call for any call beyond 200 calls.
Source Code
#include<iostream>
using namespace std;
int main()
{
int calls;
float bill;
cout<<"Enter number of calls : ";
cin>>calls;
if(calls<=100)
bill=200;
else if (calls>100 && calls<=150)
{
calls=calls-100;
bill=200+(0.60*calls);
}
else if (calls>150 && calls<=200)
{
calls=calls-150;
bill=200+(0.60*50)+(0.50*calls);
}
else
{
calls=calls-200;
bill=200+(0.60*50)+(0.50*50)+(0.40*calls);
}
cout<<" Your bill is Rs."<<bill;
return 0;
}
Output
SAMPLE RUN # 1 Enter number of calls : 90 Your bill is Rs.200 SAMPLE RUN # 2 Enter number of calls : 145 Your bill is Rs.227 SAMPLE RUN # 3 Enter number of calls : 190 Your bill is Rs.250 SAMPLE RUN # 4 Enter number of calls : 390 Your bill is Rs.331