using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Strategy { internal class BitcoinPayment : IPayment { private string address; public BitcoinPayment(string address) { this.address = address; } public void Pay(int amount) { decimal btc = (decimal)(amount / 10000000.0); Console.WriteLine($"Charged {btc} to BTC: {address}"); } } }