Write a program that calculate the total sale of a shop take per unit price of the product , total sold unit and total discount

#include<stdio.h>

#include<conio.h>

void main()

{

clrscr();

long int tot_sale;

int q,p,dis;

printf("Enter the per unit price ::");

scanf(“%d”,&p);

printf("Enter the total sold quantity ::");

scanf(%d”,&q);

printf("Enter the total discount ::");

scanf(“%d”,&dis);

tot_sale=(p*q)-dis;

printf("Total sale of a shop is %ld "tot_sale);

getch();

}