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An electricity board charges the following rates for the use of electricity: for the first 200 units 80 paise per unit: for the next 100 units 90 paise per unit: beyond 300 units Rs 1 per unit. All users are charged a minimum of Rs. 100 as meter charge. If the total amount is more than Rs 400, then an additional surcharge of 15% of total amount is charged. Write a program to read the name of the user, number of units consumed and print out the charges. Program and Algorithm Computer Science Engineering VTU

Electricity sort 
#include<stdio.h>

void main()

{

    int units;

    float charges;

    char name[20];

    printf("Enter the name of the customer\n");

    scanf("%s",name);

    printf("Enter the units consumed\n");

    scanf("%d",&units);

    charges=100;

    if(units>0&&units<=200)

    charges=charges+0.8*units;

    else if (units>200&&units<=300)

    charges=charges+0.8*200+(300-units)*0.9;

    else

    charges=charges+0.8*200+100*0.9+(units-300)*1;

    if(charges>400)

    charges=charges+0.15*charges;

    printf("name=%s\n",name);

    printf("units consumed=%d\n",units);

    printf("charges=%f\n",charges);

}
Algorithm: Electricity bill  
Start

Read name, units consumed as units

charge = 100

if units is <= 100 then 

compute charge = charge + units * 0.8 

else If units > 200 and units < 300 then 

compute charge = charge + 200 * 0.8 +(units – 200) * 0.9 

else 

compute charge = charge + (0.15*charge) 

Display name, units, charge

Stop
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