if-else program

Q. Write a C program to read quantity and price for each item. Calculate the total expenses, and if the quantity is more than 1000 than giving discount is 20%.

Ans.
/*Calculate the total expenses*/

#include<stdio.h>
#include<conio.h>
void main()
{
 int quant,dis=0;
 float tot,rate;
 clrscr();
 printf("Enter quantity : ");
 scanf("%d",&quant);
 pirntf("\nEnter rate : ");
 scanf("%f",&rate);
 if(quant>1000)
  dis=20;
 tot=(quant*rate)-(quent*rate*dis/100);
 pirntf("\nTotal expenses = %f",tot);
 getch();
}

Output :
Enter quantity :750
Enter rate : 35.54
Total expenses = 25905.000000

Enter quantity : 1450
Enter rate : 9.50
Total expenses = 12397.500000

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