Angie is a supervisor of a production crew. From time to time in the past, the product development section has tapped the production crews for operators to augment their own operator personnel to run test products on special machine. This has put very little strain on the production crews, since the demands have been small, temporary and infrequent. Lastly, however, there seems to have been an almost constant demand for four production operators. The rest of the production crew must fill in for them, usually by working harder and taking shorter breaks. If you were Angie, you would