More04SupermarketDatabase of Dictionaries - ProgFund

using System;
using System.Collections.Generic;
using System.Linq;

namespace More04SupermarketDatabase
{
    class Program
    {
        static void Main()
        {
            // Judge decide 40/100 because row 40 is .Min() instead of .Last()!
            var products = Console.ReadLine();
            var result = new Dictionary<string, Dictionary<double, double>>();
            var totalAmount = 0.0;

                        while (products != "stocked")
            {
                var product = products.Split().ToArray();
                var name = product[0];
                var price = double.Parse(product[1]);
                var quantity = double.Parse(product[2]);

                if (!result.ContainsKey(name))
                {
                    result[name] = new Dictionary<double, double>();

                }
                if (!result[name].ContainsKey(price))
                {
                    result[name][price] = 0;
                }

                result[name][price]+= quantity;

                products = Console.ReadLine();
            }
            foreach (var namePriceQuantity in result)
            {
                var name = namePriceQuantity.Key;
                var price = namePriceQuantity.Value.Keys.Min(); //var price = namePriceQuantity.Value.Keys.Last();
                var quantity = namePriceQuantity.Value.Values.Sum();
                totalAmount += (quantity * price);

                Console.WriteLine($"{name}: ${price:f2} * {quantity} = ${quantity * price:f2}");

            }
            Console.WriteLine("------------------------------");
            Console.WriteLine($"Grand Total: ${totalAmount:f2}");
        }
    }
}