In 2000, Mr. Belen bought a residential house and lot for P1,000,000. He used the property as his and his family's principal residence. It is now year 2013 and he is thinking of selling the property to buy a new one. He seeks your advice on how much income tax he would pay if he sells the property. The total zonal value of the property is P5,000,000 and the fair market value per the tax declaration is P2,500,000. He intends to sell it for P6,000,000. What material considerations will you take into account in computing the income tax? Please explain the legal relevance of each of these considerations.