Integrate Validation Block with WCF

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;

namespace SalaryCalculator
{
    public class SalaryService : ISalaryService
    {
        private string Calculate(int EducationLevel, int ExperienceInYears, string Currency, bool HasCertificate, bool InvolvedInManagement)
        {
            // Make our calculations with the input given by the clients
            int estimatedSalary = EducationLevel * 100 + ExperienceInYears * 10 + (HasCertificate ? 50 : 0) + (InvolvedInManagement ? 100 : 0);

            return String.Format("Your estimated salary is {1}{0}", Currency, estimatedSalary);
        }

        public string CalculatePartial(int EducationLevel, int ExperienceInYears, string Currency, bool HasCertificate, bool InvolvedInManagement)
        {
            return Calculate(EducationLevel,
                        ExperienceInYears,
                        Currency,
                        HasCertificate,
                        InvolvedInManagement);
        }

        public string CalculateFull(string EducationLevel, string ExperienceInYears, string Currency, string HasCertificate, string InvolvedInManagement)
        {
            return Calculate(Convert.ToInt32(EducationLevel),
                        Convert.ToInt32(ExperienceInYears),
                        Currency,
                        Convert.ToBoolean(HasCertificate),
                        Convert.ToBoolean(InvolvedInManagement));
        }
    }
}