a. A company generated revenues of $286 million during the last twelve months, with an operating margin of 42.8% and net margin of 28.9%. Its current market capitalization (equity value) is $506 million and it has 12 million shares outstanding. What's its trailing PE ratio? Round to one decimal place.

b. What is the free cash flow of a firm with revenues of $59 million, operating margin of 39.5%, net margin of 15.2%, tax rate of 10.1%, and reinvestment rate of 35.1%?