2. You as a city engineer have 2 options in paving a road. Option A will cost you $7,500 each time but you have to repave every 3 years. Option B will cost you $10,000 each time but you have to repave every 4 years. Your analysis period is 12 years. Use interest rate i = 5%. Note: You do not pave in year 12. a) Draw timelines depicting these two cash flows b) Which option is preferable? 2 S