/// <summary>
/// Set fee plan used by invoice
/// </summary>
/// <param name="feeConfig"></param>
public void SetFeeConfig(FeeConfig feeConfig)
{
Contract.Requires(feeConfig != null);
BasicFee.VAT = feeConfig.VAT;
UsageFee.VAT = feeConfig.VAT;
}
/// <summary>
/// Set fee plan used by invoice
/// </summary>
/// <param name="feeConfig"></param>
public void SetFeeConfig(FeeConfig feeConfig)
{
CommonInvoice.SetFeeConfig(feeConfig);
UserInvoices.ForEach(userInvoice => userInvoice.SetFeeConfig(feeConfig));
}