Bison Corp. has the following data available from its operations: Selling price per unit $284.38 Direct materials cost per unit $87.50 Processing and assembly costs per unit $65.63 Batch setup and assembly costs $14.218.75 Fixed manufacturing and administrative costs $6,343,750.00 Number of units in a batch 625 Tax rate 21% Bison occasionally gets special orders for odd-numbered batches (i.e., orders for batch sizes that differ from 625 units per batch). How many units does Bison need to have in a batch to be able to break even on a special order