Suppose a firm produces with a technology that exhibits constant returns to scale at all levels of production. The firm's inputs are workers and laptops. The firm sells its output in a perfectly competitive market. It also hires its inputs (hires workers and rents laptops) in perfectly competitive markets. Assume that in the long run the firm produces y units of output using x1 workers and x2 laptops. If the firm doubles the amount of workers and laptops (using 2x1 and 2x2), we would expect the firm's long-run profits to