Refer to the table summarizing service times (seconds) of dinners at a fast food restaurant. What are the class boundaries for the last class? Time (sec) Frequency 60 - 119 8 120- 179 13 180-239 20 240 - 299 4 300 - 359 2 299,5 - 359,5 300.0 - 359.0 300.5 - 359.5 249.5 - 299.5 299.5 - 395.5