[Solved] When parties to a contract mutually agree to cancel an old contract and replace it with a new one, which of the following is true? A)To be enforceable, there must be added features in the new contract benefiting both parties. B)One party's past performance under the original contract is sufficient consideration for the new contract. C)The new contract is void. D)Neither party has a right to make changes to the original contract. Abdominal Surgery: A surgical procedure carried out on organs within the abdomen, including the stomach, liver, gallbladder, and intestines. Blood Tinged Urine: Urine that contains blood, visible to the naked eye or under a microscope, indicating possible underlying medical conditions. Urinalysis: A laboratory test analyzing the content of urine for medical diagnostic purposes. Cyanosis: A bluish or purplish discoloration of the skin and mucous membranes due to insufficient oxygen in the blood.