help me find articles from civil code

PROBLEM 1 : A and B got married in 2015 and had an offspring a year after. {in the fifth year of their marriage, however, A and B had lots of misunderstandings that resulted to their separation. A then left the conjugal home leaving their kid with his wife. Before B could le a petition for support, A voluntarily offered his wife a monthly support of P that B willingly agreed to. Upon the prodding of B's friends, B demanded a higher amount of support which amounts to P2,., from A considering that A has been receiving P4D,D. a month. How much should A give as monme support to B? Why? PROBLEM 2: A got into a vehicular accident with B due to the fault of the latter. The case could very well fall under the crime of Reckless Imprudence Resulting to Physical Injuries in addition to suit for collection of money, but A opted not to le a criminal case against E since such ling of criminal case against a churchmate would mean his dismissal from their church. Instead, A chose to le a case for collection of sum of money only based on their agreement that B will pay A for all the expenses incurred by reason of the accident except for the repair of the car since B will directly pay the same to the A's insurance company. However, B refused to pay A for his travel expenses and meal allowances when he travels to the repair shop during his routine check-ups on the progress of the repair even after A insisted on B's agreement to pay all the damages. Whose contention is correct? Is it B's refusal to pay A's expenses during routine check-ups or is it A's insistence on B's liability to pay for the expenses incurred by A? Explain your