JAVA HW1_3

import java.util.Scanner;


public class StudentGrade {
    public static void main(String[] args) {

        char category;
        double  tc, cpu;
        double bill=0.0;

        Scanner scanner;
        scanner = new Scanner(System.in);

        System.out.println("Enter category: ");
        category = scanner.next().charAt(0);

        System.out.println("Enter total used: ");
        tc = scanner.nextDouble();

        switch (category) {
        case 'A':
            if(tc>600){ bill+=(tc-600)*9.98; tc=600;}
            if(tc>400){ bill+=(tc-400)*8.70; tc=400;}
            if(tc>300){ bill+=(tc-300)*5.63; tc=300;}
            if(tc>200){ bill+=(tc-200)*5.36; tc=200;}
            if(tc>75){ bill+=(tc-75)*5.14; tc=75;}
            bill+=(tc*3.80);
            bill+= (20*bill)/100;
            break;

        case 'B':
            bill += (tc*3.82);
            break;
        case 'C':
            char type;
            System.out.println("Enter type: ");
            type = scanner.next().charAt(0);

            switch(type){
                case 'A':
                    bill += (tc*7.66);
                    break;
                case 'B':
                    bill += (tc*6.90);
                    break;
                case 'C':
                    bill += (tc*9.24);
                    break;
            }
            break;
        }
        System.out.println("Total bill: "+bill);
    }
}