Problem
Say that the last ton of steel produced by a steel company imposes three types of costs: labor costs of $25; additional equipment costs of $10; and the cost of additional "crud" dumped into the air of $15. What costs will the steel company consider in deciding whether to produce another ton of steel?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.