C Program to calculate discount for purchase above 5000

Description

Get price and quantity of a product, calculate bill amount and claculate 10% discount 
for the billamount 5000 and above.
Input:
10 400
Output:
4000

Input:
10 500
Oupt:
4500

Solution

#include <stdio.h>


int main(void) 
{
	
	double quantity,price,amount,discount;
	
	printf("Enter Quantity and Price:");
	scanf("%lf %lf",&quantity, &price);

	amount=quantity*price;

	if(amount>5000)

	{

		discount=amount*0.05;

		amount=amount-discount;

	}
	
	printf("%lf",amount);
	
	return 0;

}

Explanation

Get two inputs quantity and price from user using scanf statement

Calculate amount by using the expression amount = quantity * price

Check whether amount is greater than 5000 using if statement.

if amount is greater than 5000 then calculate discount and amount using the expressions discount = amount * 0.05 and amount = amount - discount.

print amount using printf statement.