Ive been stuck on this PLEASE help-- how do I find marginal cost? this is my assignment:

What is the marginal cost of nitrogen in our example when nitrogen is priced at 25 cents a pound vs. if it was 35 cents a pound?

Afactory owner wants his workers to produce as many widgets as they can so he pays his workers based on how many widgets they produce. however, in order to make sure that the workers do not rush and produce a large number of poorly made widgets, he checks the widgets at random at various stages of their manufacture. if a defect is found in a widget, the pay of the entire section of the factory responsible for that defect is docked. how is this factory owner seeking to solve the agency conflict problem in this case?

James has set the goal of achieving all "a"s during this year of school.which term best describes this goal

The relationship requirement for qualifying relative requires the potential qualifying relative to have a family relationship with the taxpayer. t or fwhich of the following is not a from agi deduction? a.standard deductionb.itemized deductionc.personal exemptiond.none of these. all of these are from agi deductions