ABSTRACT
Dynamics A.basic.question.that.anybody.might.ask.of.any.system.is:.How.is.it.doing?. How.is.it.performing?.Is.it.doing.as.well.as.we.wish,.or.could.it.do.better?.It. does.not.matter.whether.the.system.is.a.sales.department.of.a.mail-order.PC. company.or.the.company.itself..It.does.not.matter.whether.it.is.a.high-rise. office.building.or.one.of.the.elevators.ferrying.workers.between.stations..It. can.be.the.engine.in.an.automobile,.a.roller.lifter.valve.in.the.engine,.or.the. highway.on.which.the.car.journeys..“How.is.the.system.doing?”.is.an.inescapable.inquiry.
