Is there a way to add multiple costs updated by the buyer on the negotiation comparative sheet?

Summary

Is there a way to add multiple costs updated by the buyer on the negotiation comparative sheet?

Content

Is there a way to add multiple costs updated by the buyer on the negotiation comparative sheet? For import suppliers landed cost is calculated with basic duty, cess, anti dumping duty and clearing charges etc. These are being added by the buyer. Can we have a provision for this.