D 6. A manufacturing company of sneakers determines that there will be a demand for 400,000 pairs of their sneakers over the course of the year, distributed evenly throughout the year. It costs the company $6 to store a pair of sneakers for one year. Each time the company must make additional sneakers, it costs $120 to set up the equipment. Express the total cost for setup and storage, of producing the sneakers over the course of the year, in terms of and Enter