11. Fruit Shop (If Construction)

using System;

namespace FruitShop
{
internal class Program
{
    static void Main(string[] args)
    {
        string fruit = Console.ReadLine();
        string weekDay = Console.ReadLine();
        double quantity = double.Parse(Console.ReadLine());

        double price = 0.0;

        if (weekDay == "Monday" || weekDay == "Tuesday" || weekDay == "Wednesday"
            || weekDay == "Thursday" || weekDay == "Friday")
        {
            if (fruit == "banana")
            {
                price = quantity * 2.50;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "apple")
            {
                price = quantity * 1.20;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "orange")
            {
                price = quantity * 0.85;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "grapefruit")
            {
                price = quantity * 1.45;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "kiwi")
            {
                price = quantity * 2.70;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "pineapple")
            {
                price = quantity * 5.50;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "grapes")
            {
                price = quantity * 3.85;
                Console.WriteLine($"{price:F2}");

            }
            else
            {
                Console.WriteLine("error");
            }
        }
        else if (weekDay == "Saturday" || weekDay == "Sunday")
        {
            if (fruit == "banana")
            {
                price = quantity * 2.70;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "apple")
            {
                price = quantity * 1.25;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "orange")
            {
                price = quantity * 0.90;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "grapefruit")
            {
                price = quantity * 1.60;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "kiwi")
            {
                price = quantity * 3.00;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "pineapple")
            {
                price = quantity * 5.60;
                Console.WriteLine($"{price:F2}");

            }
            else if (fruit == "grapes")
            {
                price = quantity * 4.20;
                Console.WriteLine($"{price:F2}");

            }
            else
            {Console.WriteLine("error");
            }
        }
        else
        {
            Console.WriteLine("error");
        }

    }
}
}