Question 3 2 points Al Ain DoT has several kilometers (kin) of actress that new surface treatment. Alternative 1 is a travel base and pavement with an Wital cost of $500.000 that will last for 15 years and has an annual upkeep cost of 5100 per km. Alternative 2 is to enhance the grave base watcom 50.000 and immediately com surface with a durable hot of mix, which costs $130 per barrel applied. Annual reapplication of the mix required. A barrel covers 0.05 km. If the discount ateis per year, determine the number of which the two alternatives breakeven (ustification is required 16.74 km 17.11 km 15.12 km 14.35 km 18.25 km