Restaurant Menu EASY C

#include <stdio.h>

int main()
{
    char choice;
    printf("Please enter your choice a)Burger OR b)Sandwich OR c)Juice\n\t\t\t\t");
    scanf("%c",&choice);

    if(choice<97){choice=choice+32;}

    switch(choice)
    {
    case 'a':
            printf("\tYou have chosen Burger, Thank you.");
            break;
    case 'b':
            printf("\tYou have chosen Sandwich, Thank you.");
            break;
    case 'c':
            printf("\tYou have chosen Juice, Thank you.");
            break;
    case 'z':
            printf("\tYou have chosen 10, it is a HIDDEN MEAL, Thank you.");
            break;
    default:
            printf("\tYou did not order any of the above three, NO Thank you.");
            break;
    }

    return 0;
}