workers to run the presses as needed $($part$-$time workers are easy to hire$).$ She must pay $$10$ per hour. Each worker can produce $20$ copies of the magazine per printing hour or $100$ copies of the brochure. Distribution costs are $$500$ per month. Melissa will receive a salary of $$1,500$ per month. She is responsible for personnel, accounting, sales, and production$$in effect, she is responsible for administering all aspects of the business.

Required:

$1.$ What are the total monthly manufacturing costs?