Burns Industries currently manufactures and sells 21,000 power saws per month, although it has the capacity to produce 36,000 units per month. At the 21,000-unit-per-month level of production, the per-unit cost is $67, consisting of $41 in variable costs and $26 in fixed costs. Burns sells its saws to retail stores for $81 each. Allen Distributors has offered to purchase 5,100 saws per month at a reduced price. Burns can manufacture these additional units with no change in its present level of fixed manufacturing costs. Using an Incremental analysis approach, Burns should consider accepting this special order only if the price per unit offered by Allen is at least