Define your set and write down given information using proper notation

Complete and labeled Venn Diagram

Show your solutions and Concluding Statement

A survey at a machine shop revealed the following employee information. 44 can run a lathe, 49 can run the milling machine, 56 can operate the punch press. 27 can run a lathe and a milling machine, 19 can run the milling machine and the punch press and 24 can run the lathe and the punch press. If 10 can operate all 3 machines and 9 can't operate any of the machines, how many people are employed at the machine shop?