为什么显示运行成功输出错误

using System;
using System.Collections.Generic;
using System.Text;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            double money = 60000.00;//存款金额
            if (money>=100000)
            {
                if (money<100000&&money>=50000)
                {
                    if(money<50000&&money>10000)
                    {
                        Console.WriteLine(" 送一袋大米");
                    }
                    else
                    {
                        Console.WriteLine("没有礼品");
                    }
               
                    Console.WriteLine("送一套茶具");
                }
           
                Console.WriteLine("送一台微波炉");
            }//请在这里补充多重条件判断

        }
    }
}