c value. (14 points) e. Considering the following cost information about a defender when would it be most economical to replace it when the challenger's EUAC is 1)11,250 (1)13,550? Clearly explain your answer. (10 points) EOY K Total (Marginal) Cost for year k(S) EUAC through year k (S) 10,500 10,500 2 12,000 11.214 1 11,950 3 13,650 15,000 12,607 c value. (14 points) e. Considering the following cost information about a defender when would it be most economical to replace it when the challenger's EUAC is 1)11,250 (1)13,550? Clearly explain your answer. (10 points) EOY K Total (Marginal) Cost for year k(S) EUAC through year k (S) 10,500 10,500 2 12,000 11.214 1 11,950 3 13,650 15,000 12,607