A. Ada was a wholesaler and retailer in the jewellery business. A friend of hers , Roberta, was an importer of fine jewellery and sold the jewellery in three shops that she owned. There was no business connection between them. Ada discovered that Roberta was importing jewellery at a much cheaper price than Ada paid. After making extensive inquiries, Ada located the name of Roberta's supplier: Qualstone Co. in Sri Lanka. Ada contacted Qualstone and ordered jewellery pieces at $50 per piece. Ada signed the contract in Roberta's name but for Ada's own financial benefit. She did not have the consent of Roberta to enter the contract. Roberta discovered the transaction and wants to obtain the benefit of the contract. Advise Roberta of her legal rights. In you answer you are required to refer to relevant legal authority