Your friend Rose went to you one day to ask several questions. Rose found out that as a BSBA student. you took up the subject Obligations and Contracts during your first year in school. Since Rose did not want to go to a lawyer. she asked you instead. She told you that during the first months of 2020. she entered into various agreements with different people. The agreements are: 'l. A verbal agreement, on 20 January 2020, with Teresa wherein Rose will let Teresa borrow the amount of Php50,000.00 at an interest of 5% monthly. The same shall be paid on 20 March 2020: Active: Rose Passive: Teresa Prestation: To pay 50.000 Efficient Cause: Contract 2. A construction agreement with Nathan. a contractor. Here, Nathan agreed to construct a one~storey house for Rose for the amount of Php500.000.00. However, as a condition. Nathan will only start the construction of the house if Rose acquires a SUD-square meter land from Alex: and Active: Rose Passive: Nathan Prestation: To construct a house Efficient Cause: Construction Agreement 3. An agreement with Jeffry, a killer. Here, Rose hired Jeffry to kill Christine for the amount of Php50.000.00. Active: Rose Passive: Jeffry Prestation: To kill Christine Efficient Cause: Agreement With your knowledge on civil obligations, what are the different elements of a civil obligation in the said agreements? Moreover, based on what you have read and studied about Obligations and Contracts. how will you answer the following questions of Rose: 'I. Is there a valid agreement between her and Teresa even if the agreement was only verbal? Why?. 2. When Teresa paid on 20 March 2020. she only paid the principal amount of Php50,000.00 but not the interest. What can Rose do regarding the interest? Should Teresa pay the interest? Is there a valid agreement between her and Nathan? Why? Since Nathan will only start the construction of the house if Rose acquires a 500 square meter land from Alexis the obligation of Nathan a conditional one? Why? 1 _ P.\" 5. If Rose does not do the condition they agreed upon. should Nathan start with the construction of the house? Why? 6. If Nathan does not start the construction of the house. can Rose sue him in court for breach of contract? Why? Is there a valid agreement between her and Jeffry? Why.' If Jeffry does not do his obligation under the agreement, can Rose file a case against Jeffry in court? Why? 9.\