The constraint at Rauchwerger Corporation is time on a particular machine. The company makes three products that use this machine. Data concerning those products appear below:

WXKDFSSelling price per unit$335.19$228.47$199.22Variable cost per unit$259.24$173.06$159.59Minutes on the constraint7.604.405.60

Sufficient time is available on the constrained machine to satisfy demand for all but the least profitable product. How much should the company be willing to pay to acquire more of the constrained resource?