Jiminy, Vi, and Jungku are partners in a partnership that is engaged in the construction of a house. After the said construction, as agreed in the contract, the partnership will be dissolved. However, Vi has a conflict with his parents and thus was forced to leave the partnership even if the house was not finished. Vi informed Jiminy right away. Jungku was informed 5 days after Vi's withdrawal. However, during those five days, Jungku entered into a contract with R.M. Corp to buy construction materials. Who will be liable to R.M. Corp