Essay: The pertinent provision of law need not be cited in your answers.EXPLAIN BRIEFLY 1. D is obliged to deliver either a specific bracelet, a specific necklace, or a specific ring to C. No mention was made in the agreement of the parties as to who has the right of choice . Before the due date, C wrote D informing the latter that he C preferred the ring be delivered to him. D received the letter but did not give any response to C. Subsequently, the ring was lost through fortuitous event. (a) Is D's obligation to C extinguished by fortuitous events? Explain. (b) Would you maintain the same answer if there was no choice of the ring communicated by the creditor to D? Explain. 2. D, a professional singer agreed to sing for a fee of P50,000.00 at the birthday party of C who was a fan of D. Due to numerous commitments, D could not go to the party of C. He sent Y, another professional singer who was known to sing better than D to singat C's party, and informed C that the latter needed to pay only P25,000.00. Can D validly assign his obligation to sing? Explain briefly your answer. 3.(a) S offers to sell his specific car to B for P125,000 cash. B accepts the offer but is willing to pay only P120,000.00. Was the contract perfected? Explain. (b) If there is an option money paid by the offeree, can the offeror draw the offer before the stipulated period to accept the offer? Explain. 4. If you will be asked to choose which of the following is not a requisite of the object of a contract, what will your answer be and cite reason/s for your answer: (a) it must be within the commerce of men; (b) if it is a right, it must be intransmissible; (c) it must not be contrary to law, morals, good customs, public order and public policy; (d) it must be determinate as to its kind or capable of being made determinate without the need of the parties entering into new agreement. Cite justification for your answer. 5. S and B orally entered into a contract whereby S sold his one-year production of eggs in his poultry farm to B for P100,000 which amount B immediately gave in cash to S. (a) Is the contract between S and B valid considering that the eggs are not yet in existence? Explain. (b) What would be the effect if the eggs are not produced? Explain