the substantiality test has usually been based on three conditions: 1. whether the exclusive arrangement excluder competitive products from a substantial share of the market (justice department guidelines stipulate that if a manufacturer has less than a 10 percent market share it will not bother pursuing the case) 2. whether the dollar amount involved is substantial and 3. whether the dispute is between large suppliers and a smaller distributor or dealer where the supplier's disparate economic power can be inherently coercive. if any or all of these conditions exist, the exclusive dealing arrangements may be open to attack as anticompetitive under both the Sherman act and the federal Trade commission act.