Which one of the following statements is NOT a correct statement of the law relating to an ordinary partnership? (a) A retired partner remains liable for partnership debts incurred before his/her retirement (b) A retired partner may be liable for partnership debts incurred after retirement on the basisof "holding-out. (c) A new partner is liable for partnership debts incurred before s/he became a partner. (d) A new partner cannot be introduced into the partnership without the consent of all theexisting partners