House Inc. is considering two alternative methods for producing playing cards. Method 1 involves using a machine with a fixed cost (mainly depreciation) of $12,000 and variable costs of $1.20 per deck of cards. Method 2 would use a less expensive machine with a fixed cost of only $6,000, but it would require a variable cost of $1.50 per deck. The sales price per deck would be the same under each method. At what unit output level would the two methods provide the same operating income (EBIT)