Question 1: You need to buy a laptop, and you have the following three options. Laptop-1 Laptop-2 Laptop-3 First Cost 1000 1500 2000 Operating cost ($/year) 200 100 300 Benefits ($/year) 250 150 400 Disbenefits ($/year) 300 250 425 Life (years) 3 4 5 Use B/C analysis to determine which laptop is better at an interest rate of 10% per year