public VideoOrder(IInvoiceSlip iInvoiceSlip) { this.iInvoiceSlip = iInvoiceSlip; }
public PhysicalProductOrder(IInvoiceSlip iInvoiceSlip) { this.iInvoiceSlip = iInvoiceSlip; }
public BookOrder(IAgentCommission agentCommision, IInvoiceSlip iInvoiceSlip) { this.iInvoiceSlip = iInvoiceSlip; this.agentCommision = agentCommision; }