A. Marvin offered to construct the house of Carlos for One Million (Php1,000,000) pesos, giving Carlo fifteen (15) days whether to accept or reject the offer. On the 5th day, before Carlos could decide, Marvin withdraw the same on the 5th day. If you were the lawyer, explain:

a. What is the effect of the withdrawal? What is the legal consequence of the situation and give the legal basis (law) of your answer.

b. If in case Carlos accepted the offer before Marvin could communicate his withdrawal, what is the legal consequence and the legal basis.