The Warren Watch Company sells watches for $27, fixed costs are $175,000, and variable costs are $13 per watch. a. What is the firm's gain or loss at sales of 5,000 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 18,000 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 c. What would happen to the break-even point if the selling price was raised to $34 ? d. What would happen to the break-even point if the selling price was raised to $34 but variable costs rose to $26 a unit? Round your answer to the nearest whole number