Implementing the taxi fare calculation

#include <stdio.h>

int main() {
    float distance, time, waiting;
    float baseFare, ratePerKm, ratePerMin, waitingRate;
    float fare;
    float nightSurcharge = 1.25;   
    float holidaySurcharge = 1.50; 
    float minFare = 100;           
    int isNight, isHoliday, choice;

    printf("Enter base fare: ");
    scanf("%f", &baseFare);

    printf("Enter rate per km: ");
    scanf("%f", &ratePerKm);

    printf("Enter rate per minute: ");
    scanf("%f", &ratePerMin);

    printf("Enter waiting charge per minute: ");
    scanf("%f", &waitingRate);

    printf("Choose Billing Mode:\n");
    printf("1. Distance-based only\n");
    printf("2. Time-based only\n");
    printf("3. Combined (distance + time + waiting)\n");
    scanf("%d", &choice);

    // Input ride details
    printf("Enter distance traveled (in km): ");
    scanf("%f", &distance);

    printf("Enter time taken (in minutes): ");
    scanf("%f", &time);

    printf("Enter waiting time (in minutes): ");
    scanf("%f", &waiting);

    printf("Is it night time? (1=Yes, 0=No): ");
    scanf("%d", &isNight);

    printf("Is it a holiday? (1=Yes, 0=No): ");
    scanf("%d", &isHoliday);

    fare = baseFare;
    if (choice == 1) {
        fare += distance * ratePerKm;
    } else if (choice == 2) {
        fare += time * ratePerMin;
    } else if (choice == 3) {
        fare += (distance * ratePerKm) + (time * ratePerMin) + (waiting * waitingRate);
    }

    if (isNight == 1) {
        fare = fare * nightSurcharge;
    }
    if (isHoliday == 1) {
        fare = fare * holidaySurcharge;
    }

    if (distance > 50) {
        fare = fare * 0.90; // 10% discount
    }
    if (fare < minFare) {
        fare = minFare;
    }
    printf("----- Taxi Fare Bill -----\n");
    printf("Base Fare       : %.2f\n", baseFare);
    if (choice == 1) {
        printf("Distance Charge : %.2f\n", distance * ratePerKm);
    } else if (choice == 2) {
        printf("Time Charge     : %.2f\n", time * ratePerMin);
    } else if (choice == 3) {
        printf("Distance Charge : %.2f\n", distance * ratePerKm);
        printf("Time Charge     : %.2f\n", time * ratePerMin);
        printf("Waiting Charge  : %.2f\n", waiting * waitingRate);
    }
    if (isNight == 1) {
        printf("Night Surcharge : 25 percent applied\n");
    }
    if (isHoliday == 1) {
        printf("Holiday Surcharge : 50 percent applied\n");
    }
    if (distance > 50) {
        printf("Long Trip Discount : 10 percent applied\n");
    }
    if (fare == minFare) {
        printf("Minimum Fare Rule Applied\n");
    }
    printf("--------------------------\n");
    printf("Total Fare      : %.2f\n", fare);

    return 0;
}