A competitive firm faces market price P=400 Production Costs are c(Q)=Q^2 The firm also pays $9000 in cost that

Question

A competitive firm faces market price: P=400. Production Costs are c(Q)=Q^2. The firm also pays $9000 in cost that

does not depend on production even if q=0.

How do I find the sunk costs, fixed cast and variable costs.

How do i calculate economic and accounting profit?

Microeconomics