code needs fixing

package projectFive;
import java.util.Scanner;
public class Fiveproject {
    static Scanner console = new Scanner (System.in);
    public static void main(String[] args) {

        //start of final variables for premium service
        final double premInitial = 25.00;                                     //initial amount due with premium service
        final double premDayRate = .10;                                      //charge rate for Day minutes after free minutes are gone
        final double premNightRate = .05;                                   //charge rate for Night minutes after free minutes are gone
        final double premMinuteDayFree = 75;                                //amount of Day minutes that are free
        final double premMinuteNightFree = 100;                            //amount of Night minutes that are free
        //end of final variables for premium service

        final double free = 0.00;                //variable for zero

        //Entering personal information for account
        System.out.println("Please enter your account number");
        int accountNumber = console.nextInt();
        System.out.println("Please enter your name");
        String name = console.next();

        System.out.println("Please tell what your service code is. Premium or Regular?");
        String serviceCode =console.next().toUpperCase();


        //star of final variables for regular service
        final double regInitial = 10;                 //initial amount due with regular service
        final double regMinutesRate = .20;         //charge rate after free minutes are gone
        final double regMinuteFree = 50;               //amount of minutes that are free
        //end of final variables for regular service

        String minutesused; //To declare total minutes used by user
        double totalCost;

        switch (serviceCode)
        {
        case "PREMIUM":
        //Premium Service Coding
        System.out.println("Please enter Day time minutes used");
        double premDayMinute = console.nextDouble();
        double premDayAmountDue;
        if  (premDayMinute <= premMinuteDayFree)
            premDayAmountDue = free;
        else
            premDayAmountDue = (premDayMinute - premMinuteDayFree) * premDayRate; //math for Premium Day cost

        System.out.println("Please enter Night time minutes used");
        double premNightMinute = console.nextDouble();
        double premNightAmountDue;
        if (premNightMinute <= premMinuteNightFree)
            premNightAmountDue = free;

        else
            premNightAmountDue = (premNightMinute - premMinuteNightFree) * premNightRate; //math for Premium Night cost


        double premDue = premDayAmountDue + premNightAmountDue + premInitial;          //amount due for Premium
        minutesused = "Minutes Used" + "\n" + "Day: " + premDayMinute +
                "\n" + "Night: " + premNightMinute;

        totalCost = premDue;
        //End of Premium Service Coding
        break;

        case "REGULAR":
        //start of Regular Service Coding
        System.out.println("Please enter minutes used");
        double regMinute = console.nextDouble();
        double regAmountDue;
        if  (regMinute <= regMinuteFree)
            regAmountDue = regInitial;

        else
            regAmountDue = ((regMinute - regMinuteFree) * regMinutesRate) + regInitial;

        minutesused = "Minutes Used: " + regMinute;
        totalCost= regAmountDue;

        //End of Regular Service Coding
        break;

        default:
            System.out.print("Invalid Service Type. Please Rerun Program entering the correct Service Type.");
            return;
        }

        String totalCostFormatted = String.format("%.2f, totalCost"); //need to work on this error

        System.out.println("Account Number: " + accountNumber + "\n"
        + name + "\n" +
        "Service Type: " + serviceCode + "\n" +
        minutesused + "\n" + "Total Cost: $" + totalCostFormatted);

    }