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1. Mr. A signed a check and delivered it to Mr. B in payment of his obligation. Mr. B is indebted to Mr. C. Mr. B delivered and Mr. C accepted the check of Mr. A in payment of the obligation of Mr. B. Mr. C failed to encash the check for several years. In the meantime, Mr. A already closed his checking account and can no longer be found. Can Mr. B claim that there is payment? Explain your answer. 2. Mr. A borrowed P 1,000 from Mr. B payable on June 5, 2013. Later, Mr. A borrowed P 800 from Mr. B payable on June 10, 2013. On June 15, 2013, Mr. A delivered P1,000 to Mr. B designating the debt that is payable on June 5, 2013 as the debt that is being paid. Can there be an application of payment? Explain your answer. 3. Mr. A borrowed P 1,000 from Mr. B payable on June 5, 2013. Later Mr. A borrowed P 2,000 from Mr. B payable on June 10, 2013. On June 15, 2013, Mr. A delivered P1,000 to Mr. B designating the debt that is payable on June 10, 2013 as the debt that is being paid. Is the designation of Mr. A binding on Mr. B? Explain your