Question 9 2 pts The EUAC of the challenger for an economic life of 5 years is $8,600. The marginal cost of the defender is provided in the table below. Determine when the defender should be replaced. | Year Marginal Cost, $ 7,500 150 cm so so so 8.000 8.500 9.000 9,500 O At the end of year 2 O At the end of year 1 O At the end of year 3 O Never Question 9 2 pts The EUAC of the challenger for an economic life of 5 years is $8,600. The marginal cost of the defender is provided in the table below. Determine when the defender should be replaced. | Year Marginal Cost, $ 7,500 150 cm so so so 8.000 8.500 9.000 9,500 O At the end of year 2 O At the end of year 1 O At the end of year 3 O Never