S agreed to sell his land to B for P1, 500,000. S, however, was induced by C to sell the land to D. What is the right of B? Who is/are liable in this case?

D is indebted to C. While the obligation was still unpaid, C died.

a. What will happen to the obligation?

b. Give the provision/s of law relevant to this case.

D owes C P100,000 payable after one year at 10% interest. It was agreed that the interest will be given to A to whom C is indebted for the same amount.

a. What are the rights and obligations of A in this case?

b.What are the neccesary requisites for the interest given to A to be considered a demandable stipulation pour atrui?