Program to Calculate Net salary

#include<stdio.h>
#include<conio.h>
main()
{
int bs, tada;
float tax, ns;
printf("\t\t%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n\t\t\t Program to find out Net Salary\n\t\t%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%");
printf("\n\n\t\tEnter your Basic Salary\t=\t");
scanf("%d", & bs);
if(bs>=10000)
tax= bs*10/100;
else
tax= bs*5/100;
tada=bs*15/100;
ns=bs-tax+tada;
printf("\n\t\tYour Net Salary is \t=\t%f\n\n", ns);
getch();
}