1. An obligation is presumed to be joint when there is a concurrence of two or more debtors and/or two or more creditors in one and the same obligation. What are the instances when there is solidary liability?
2. Enumerate the instances when delay exists even without a demand.
3. What are the instances when the debtor loses the right to make use of a period if it is for his benefit?
4. D borrowed P50,000.00 from C. On the due date, D tendered payment in P50.00 bills amounting to P25,000.00 to C. C refused to accept the payment demanding that she be paid in higher denominations. Does C justify in refusing to accept the payment? If yes, why? If not, what is the remedy of D? Explain.
5. Lili granted a loan of P100,000.00 to Ana on March 20, 2019, giving her one year to pay provided that Ana will not engage in any gambling activity until she has paid the debt. Ana was apprehended for violation of PD 1602, as amended on April 10, 2019 for plying Tong-its. Thus, Lili demanded immediate payment of the loan. Ana stated that she has until March 20, 2020 to pay the said loan. Is the contention of Ana correct? Explain.