Case 1

Cory transferred to Doris a parcel of land for the price of P100,000, P30,000 to be paid in cash and for the difference, she will convey her car worth P70,000. What kind of contract is this?

Case 2

On June 1, 2003, S sold to B 50 units of machines which were scheduled to arrive from Japan the following day on board the vessel "MT Nippon Maru". The sale was evidenced by an invoice identifying each machine by serial number. Each machine was priced at P10,000. Unknown to the parties, 30 units were damaged beyond repair by seawater on May 31, 2003. Decide.

Case 3

S, the proprietor of a rent-a-car enterprise, sold his business and his fleet of 10 cars to B for a lump sum of P3,000,000. S physically delivered the permits and other papers for the operation of the business and the vehicles to B at the latter's office except for one car which the parties agreed shall be leased by S for one month while he was winding up his affairs in the Philippines as he was then leaving for abroad. In the meantime, the contract of sale andthe contract of lease, though already signed by the parties, have not been acknowledged before a notary public, and hence, were still in private instruments. Was the ownership of the car leased by S transferred to B?

Case 4

S, a malicious and fraudulent person, sold his house and lot successively to X, Y and Z, all of whom acted in good faith and for value. X contented himself with his contract and did not register the sale nor possess the house and lot. Y possessed the same but only intermittently which enabled Z to buy the house and lot in good faith and registered the sale with the Register of Deeds. Who among X, Y and Z will have a better right to the house and lot?

Case 5

Baldo bought a residential house and lot from Tierra Madre Realty for P250,000 giving a down payment of P10,000 and promising to pay the balance of P240,000 in 20 years in monthly installments of P1,000. After paying 72 installments, Baldo defaulted in the payment of the 73rd installment and subsequent ones. Despite the grace period he had earned he was not able to make any further payments. Accordingly, Tierra Madre Realty cancelled the sale. How much cash surrender value is Baldo entitled to receive?