Exam 7. Fruit Market

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Threading;

public class FruitMarket
{
    public static void Main()
    {
        Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
        checked
        {
            string dayOfWeek = Console.ReadLine();

            Dictionary<string, decimal> priceList = new Dictionary<string, decimal>();
            priceList["banana"] = 1.80m;
            priceList["cucumber"] = 2.75m;
            priceList["tomato"] = 3.20m;
            priceList["orange"] = 1.60m;
            priceList["apple"] = 0.86m;

            decimal totalPrice = 0;
            for (int i = 0; i < 3; i++)
            {
                decimal quantity = decimal.Parse(Console.ReadLine());
                string product = Console.ReadLine();
                decimal productPrice = priceList[product];
                switch (dayOfWeek)
                {
                    case "Friday":
                        productPrice *= 0.90m;
                        break;
                    case "Sunday":
                        productPrice *= 0.95m;
                        break;
                    case "Tuesday":
                        if (product == "banana" || product == "orange" || product == "apple")
                        {
                            productPrice *= 0.80m;
                        }

                        break;
                    case "Wednesday":
                        if (product == "cucumber" || product == "tomato")
                        {
                            productPrice *= 0.90m;
                        }

                        break;
                    case "Thursday":
                        if (product == "banana")
                        {
                            productPrice *= 0.70m;
                        }

                        break;
                }

                totalPrice += quantity * productPrice;
            }

            Console.WriteLine("{0:f2}", totalPrice);
        }
    }
}