If you can indicate which ones these are that would be great

Question 26 1 pts According to the Economics concept, what is the change in Total cost when the output produced is increased at the marginal (or one unit)? (By Calculus, it's the derivative of the Total Cost) 0 Average Cost 0 Marginal Cost 0 Variable Cost 0 Variable Cost Question 27 1 pts According to the Economics concept, what is the change in Total product when the input used (given that rms only use labor as their only input) is increased at the marginal (or one unit)? (By Calculus, it's the derivative of the Total Product) 0 Average Productivity of Labor 0 Marginal Productivity of Capital 0 Marginal Productivity of Labor 0 No