algorithm to consolidate overlapping range, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {

List<VolumeTierRange> Offer1Ranges = new List<VolumeTierRange>()
            {
                new VolumeTierRange {Min=1,   Max=20,   Discount=2},
                new VolumeTierRange {Min=21,  Max=49,   Discount=10},
                new VolumeTierRange {Min=50,  Max=100,  Discount=5},
                new VolumeTierRange {Min=101, Max=1000, Discount=15}
            };

List<VolumeTierRange> discountBRanges = new List<VolumeTierRange>()
            {
                new VolumeTierRange {Min = 1, Max=50,   Discount=6},
                new VolumeTierRange {Min=51,  Max=1000, Discount=10}
            };
            
    var query = from o in Offer1Ranges
                from d in discountBRanges 
                where o.Min <= d.Max
                && o.Max >= d.Min
                select new VolumeTierRange()
                {
                    Min = (o.Min > d.Min) ? o.Min : d.Min,
                    Max = (o.Max < d.Max) ? o.Max : d.Max,
                    Discount = o.Discount + d.Discount
                };
            
            foreach(var vtr in query)
            {
                Console.WriteLine(vtr);
            }
                    
        }
    }
    
    class VolumeTierRange
    {
        public int Min { get; set; }
        public int Max { get; set; }
        public int Discount { get; set; }
        
        public override string ToString()
        {
            return string.Format("Min={0}, Max={1}, Discount={2}", Min, Max, Discount);
        }
    } 
}

Show compiler warnings [ + ] Show input
Compilation time: 0,22 sec, absolute running time: 0,11 sec, cpu time: 0,11 sec, average memory usage: 14 Mb, average nr of threads: 3