#include <stdio.h>
int main()
{
int total_price
char is_member
{
    float discount_rate = 0.0;
    float net_price;
    int discount_percent;
 
    printf("Total product price : %d\n", total_price);
    printf("Are you a store member?(y/n) : %c\n", is_member);
    printf("----------------------------------------\n");
 
    if (total_price >= 10000) 
    {
        discount_rate = 0.10;  
    } else if (total_price >= 5000) 
    {
        discount_rate = 0.05; 
    } else {
        discount_rate = 0.0;
    }
 
    if (is_member == 'y' || is_member == 'Y') {
        discount_rate += 0.05;
    }
    if (discount_rate > 0) 
    {
        discount_percent = (int)(discount_rate * 100);
        net_price = total_price * (1 - discount_rate);
        printf("Discount %d%%\n", discount_percent);
        printf("Net price = %.2f THB\n", net_price);
    } else {
        printf("No discount received\n");
        printf("Net price = %.2f THB\n", (float)total_price);
    }
 
    printf("----------------------------------------\n\n");
}
    printf("ผลลัพธ์\n\n");
 
    calculate_discount(10500, 'y');
 
    calculate_discount(6550, 'y');
 
    calculate_discount(8700, 'n');
 
    calculate_discount(4500, 'y');
 
    calculate_discount(4500, 'n');
 
    return 0;
}

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