Click run to see the console output

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·using System;
using System.Threading.Tasks;
namespace AsyncApp
{
    class Program
    {
        static void Main(string[] args)
        {
            var totalAfterTax = CalculateTotalAfterTaxAsync(70);
            DoSomethingSynchronous();
            totalAfterTax.Wait();
            Console.ReadLine();
        }
        private static void DoSomethingSynchronous()
        {
            Console.WriteLine("Doing some synchronous work");
        }
        static async Task<float> CalculateTotalAfterTaxAsync(float value)
        {
            Console.WriteLine("Started CPU Bound asynchronous task on a background thread");
            var result = await Task.Run(() => value * 1.2f);
            Console.WriteLine($"Finished Task. Total of ${value} after tax of 20% is ${result} ");
            return result;
        }
    }
}
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