Wap to calculate Library Fine

#include<stdio.h>
#include<conio.h>
void main()
{
int day;
float fine;
clrscr();
printf("enter the  no. of dates the member is lateto return the book :");
scanf("%d",&day);
if (day>0 && day<=5)

    {
    printf("the rate is Rs 10 per day\n");
    fine=(day*10);
    printf("the fine is RS %.2f\n",fine);
    }
else if(day>=6 && day<10)
    {
    printf("the rate is Rs 50 per day\n");
    fine=(day*50);
    printf("the fine is RS %.2f\n",fine);

    }
else if(day>=10)
    {
    printf("the rate is Rs 100 per day\n");
    fine=(day*100);
    printf("the fine is RS %.2f\n",fine);
    }
else
    {
    printf("plz check the numbers of day\n");
    }
    printf("DONT BE LATE NEXT TIME!!!!!!!!");
    getch();
}