need some help with this

Joseph owns a small-scale enterprise and purchased a laptop for his clerk 2 years ago at a cost of P25,000 with a 5-year recovery period. Joseph wishes to buy a desktop computer this year and has been offered a trade-in value of $10,000 for his laptop. a) Based on just the DDB method, should he accept the offer? Justify your answer. Write your answer and justification below, and show the complete solution in your solution sheet. [4 points] b) If the laptop has a salvage value of P2,000, will the offer be acceptable if he used the SOYD method alone? Why? Write your answer and justification below, and show the complete solution in your solution sheet. [6 points]