Codecademy Challenge - Program calculates the cheapest fare option for public transport depending on number of days you are going to use it and number of rides going to be taken

TransitCalculator.java

public class TransitCalculator{
  //Defining the variables
  int numOfDays = 3;
  int numOfRides = 34;

  // Defining the lists
  public static
  double[] priceList = {2.75, 33.00, 127.00};
  String[] fareOptions = {"Pay-per-ride", "7-day Unlimited Rides", "30-day Unlimited Rides"};

  // Calculating the total price of the passes required and dividing it by the amount of Rides
  public double calculate(int passLength, double priceOption){
    int days = numOfDays;
    double price = 0;
  

    while (days > passLength){
      price = price + priceOption;
      days = days - passLength;
    }
    if (days != passLength){
      price = price + priceOption;
    }
    return price;
  }
  
// Passes through 30 day passes and the corresponding price so that calculate() can work out the price
  public double unlimited30Price(){
    double price = calculate(30, priceList[2]);
    return price / numOfRides;
  }
  // Passes through 7 day passes and the corresponding price so that calculate() can work out the price
  public double unlimited7Price(){
    double price = calculate(7, priceList[1]);
    return price / numOfRides;
  }

  public void getBestFare(double a, double b, double c){
    double[] listOfPrices = {a, b, c};
    double cheapestPrice = a; int cheapestFareOption = 0;
      for (int i=1; i!=3; i++){
        if (listOfPrices[i] < cheapestPrice){
          cheapestPrice = listOfPrices[i];
          cheapestFareOption = i;
        }
      }
      cheapestPrice = ((double)(int)(cheapestPrice*100))/100.0;
      System.out.println("You should get the " + fareOptions[cheapestFareOption] + " option at $" + cheapestPrice + " per ride.");
  }

  public static void main(String[] args){
    TransitCalculator results = new TransitCalculator();
    results.getBestFare(priceList[0], results.unlimited7Price(), results.unlimited30Price());


  }
}