On the basis of engineering estimates, the estimated cost of deferred maintenance ranges from $ 200 to $ 300 million in 199Z and $175 to $275 million in 199Y.
The estimated cost is exactly $200 million.
mnli hypothesis: The estimated cost is exactly $200 million. premise: On the basis of engineering estimates, the estimated cost of deferred maintenance ranges from $ 200 to $ 300 million in 199Z and $175 to $275 million in 199Y.