public static void AddServiceCharges(int memberId, ServiceCharge charge)
{
if (!serviceCharges.ContainsKey(memberId))
{
serviceCharges[memberId] = new List <ServiceCharge>();
}
serviceCharges[memberId].Add(charge);
}
public void AddServiceCharge(int memberId, ServiceCharge serviceCharge)
{
PayrollDatabase.AddServiceCharges(memberId, serviceCharge);
}