Meat​ Packers, Incorporated​ (MPI) preserves and packages various kinds of meats for transportation to grocery stores. To prepare and transport each meat package to a grocery​ store, the firm must purchase ​$20 in raw meat and pay ​$90 in wages for labor and ​$40 in fuel costs. In​ addition, the firm rents a factory for ​$10,000 per month and makes ​$3,000 in monthly payments on meat packaging equipment. Suppose the firm prepares and transports 3,000 packages of meat per month. What are the​ firm's fixed and variable costs of production in a given​ month?