Catherine would like to attend a three-hour skiing lesson which she has to pay a tuition fee of $234. Her benefit from the skiing lesson is $595. If she does not attend the lesson, she can teach three hours of cooking class with an hourly wage of W dollarsper hour. Or play with her adorable puppy, for three hours with a total of $140 of enjoyment. Assume there are no extra costs for the above events. Catherine should attend the skiing lesson if W is at most[Answer].

(In decimal numbers, with two decimal places, please.)