please help me understand culculations for this question

800(2) 9) Wanda Savemoney, the IT specialist at Buymore Insurance, is buying new computers for the office. She's done extensive research and has compared the pros and cons for the two options: Macs and Dells. The MAC has a friendly user interface, making it convenient and easy to use. Dells, on the other hand, are much cheaper than Macs. The table below gives the costs associated with the two computers. Use value analysis to find the life cycle cost of both brands over an eight-year period. What is the cost difference and which computer should Wanda buy? Mac Dell Purchase Price $1,500 $800 Annual Service Cost $125 $150 Lifetime 8 years 4 years T625 A) $500, Mac B) $300, Mac C$300, Dell D) $500, Dell E) $675, Dell