At its current short-run level of production, a firm's average variable costs equal $20 per unit, and

Question:

At its current short-run level of production, a firm's average variable costs equal $20 per unit, and its average fixed costs equal $30 per unit. Its total costs at this production level equal $2,500.
a. What is the firm's current output level?
b. What are its total variable costs at this output level?
c. What are its total fixed costs?