# C program to read customer numberandpowerconsumed and print the amountto be paid

## C program to read the customer number and power consumed and print amount to be paid

We can find the sum of elements stored in an array using pointers.   For example:  if the number of elements to be added are 4 and if we give the elements one by one as 4 5 6 3, then the sum of elements stored in the array will be 18. The below given C program will find the sum of all elements in array using pointers.  Kindly check out the program to find the sum of all elements in array using pointers

### Program to read customer number, power consumed and print the amount to be paid

#include<stdio.h>
int main() {
unsigned long int CustomerNo;
int PowerUsed;
float amount;
printf("Give Your Customer number : ");
scanf("%ld", &CustomerNo);
printf("\n Enter the power consumed : ");
scanf("%d", &PowerUsed);
if (PowerUsed >= 0 && PowerUsed <= 150)
amount = PowerUsed * 0.50;
else
if (PowerUsed > 150 && PowerUsed < 350)
amount = 75 + ((PowerUsed - 150) * 0.80);
else
if (PowerUsed > 350 && PowerUsed <= 800)
amount = 235 + ((PowerUsed - 350) * 1.50);
printf("\n\n The customer no. %ld has to pay amount in INR : %6.2f", CustomerNo, amount);
return(0);
}

Sample Output:

Give Your Customer number : 3452
Enter the power consumed : 150

The customer no. 3452 has to pay amount in INR : 75.00

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