Chester asked Laarni to handle his claim to a sizeable parcel of land in Quezon City against a well-known property developer on a contingent fee basis. Laarni asked for 15% of the land that may be recovered or 15% of whatever monetary settlement that may be received from the property developer as her only fee contingent upon securing a favorable final judgment or compromise settlement. Chester signed the contingent fee agreement. Assume the property developer settled the case after the case was decided by the Regional Trial Court in favor of Chester for P1 Billion. Chester refused to pay Laarni P150 Million on the ground that it is excessive. Is the refusal justified? Explain. Assume there was no settlement and the case eventually reached the Supreme Court which promulgated a decision in favor of Chester. This time Chester refused to convey to Laarni 15% of the litigated land as stipulated on the ground that the agreement violates Article 1491 of the Civil Code which prohibits lawyers from acquiring by purchase properties and rights which are the object of litigation in which they take part by reason of their profession. Is the refusal justified? Explain.