This excerpt taken from the HPQ 10-Q filed Jun 8, 2005.
How the Amount of a PfR Bonus Is Determined
The amount of the PfR bonus is based on performance against three metrics: revenue, net profit, and Total Customer Experience (TCE). Each metric must reach threshold level before that portion of the bonus can fund. If the company exceeds ASPIRE performance, a fourth metricgross margin improvementis considered in determining any additional funding.