 After being drafted into the working force reserves, how many trips did Si have to complete in order to retire?
It was better to retire on a limited crediting, on a confoundedly limited crediting, than to take the two or three more trips in hopes of attaining a higher standard. He was drafted into the working force reserves, served his time, and is now free from toil for the balance of his life. Law prevented him from ever being called up for contributing to the country's labor needs again. It became obvious that it was more practical to have one worker putting in thirty-five hours a week and getting to know his job well, than it was to have a score of employees, each working a few hours a week and none of them ever really becoming efficient.
 6 trips
 1 trip  6 trips  5 trips  15 trips