Hi! I need help with the adjusting entry and computation as the description on the following information was obtained from a review of the ledger and other records of 2 Moons Company at the close of the current fiscal year ending December 31, 2017

1. The prepaid advertising account has a debit balance of P14,040 which represent the advance payment of a yearly contract for a uniform amount of space in 52 consecutive issues of a weekly publication. As of December 31, advertisements had appeared in 18 issues of publication.
2. The company acquired an item of equipment for P288,000 at the beginning of the year. This equipment was estimated to have a life of 15 years with a residual value of P36,000.
3. A delivery truck was purchased on June 30 at a total cost of P936,000. This truck was estimated to have a useful life of 10 years with the scrap value of P192,000.
4. The company pays a total of P27,000 every Saturday for a six-day-work-week ending Saturday. The last payday was December 26.