The management of Bootleg Company wants to know the break-even point for its new line of hiking boots under each of the following independent assumptions. The selling price is $50 per pair of boots unless otherwise stated.

Fixed costs are $300,000; variable cost is $30 per unit

Fixed costs are $300,000; variable cost is $20 per unit

Fixed costs are $250,000; variable cost is $20 per unit

Fixed costs are $250,000; selling price is $40; and variable cost is $30 per unit

Compute the break-even point in units and sales dollars for each of the four independent cases.