The Warren Watch Company sells watches for $23, fixed costs are $175,000, and variable costs are $14 per watch. a. What is the firm's gain or loss at sales of 7,000 watches? Loss, if any, should be indicated by a minus sign. Round your answer to the nearest cent. $ What is the firm's gain or loss at sales of 20,000 watches? Loss, if any, should be indicated by a minus sign. Round your answer to the nearest cent. $ b. What is the break-even point (unit sales)? Round your answer to the nearest whole number. units