Suppose that for a particular firm the only variable input into the production process is labor and that output equals zero when no workers are hired. in addition, suppose that when the firm hires 2 workers, the total cost of production is $100. when the firm hires 3 workers, the total cost of production is $120. in addition, assume that the variable cost per unit of labor is the same regardless of the number of units of labor that are hired. what is the firm's fixed cost?

Lusk corporation produces and sells 14,300 units of product x each month. the selling price of product x is $25 per unit, and variable expenses are $19 per unit. a study has been made concerning whether product x should be discontinued. the study shows that $72,000 of the $102,000 in monthly fixed expenses charged to product x would not be avoidable even if the product was discontinued. if product x is discontinued, the annual financial advantage (disadvantage) for the company of eliminating this product should be: