Lab Program 4

//C Program to calculate electricity charges
#include<stdio.h>
#include<stdlib.h>
void main()
{
    char name[50];
    float units, total, excess;
    printf("Enter the name of the consumer: ");
    gets(name);
    printf("\nEnter the units consumed: ");
    scanf("%f",&units);
    if(units>=0 && units<=200)
    {
        total=(units*0.8)+100; //100 is the meter charges
    }
    else if(units>200 && units<=300)
    {
        excess=units-200;
        total=(200*0.8)+(excess*0.9)+100; //100 is the meter charges
    }
    else if(units>300)
    {
        excess=units-300;
        total=(200*0.8)+(100*0.9)+(excess*1)+100; //100 is the meter charges
    }
    else
    {
        printf("\nEnter valid units"); // Prints invalid if unit entered is negative
        exit(0);
    }
    if(total>400)
    {
        total=total+(0.15*total);
    }
    printf("\nConsumer Name\tUnits Consumed\tTotal Amount\n%s\t%f\t%f",name,units,total);
}