1. Fill in the missing cost and revenue data and nd the best point of production. Which of the 5 production points should the rm produce: 5, 10, 15,

Im having troubles finding the MR & MC, I know that I need to divide the MR/Q but is there something I'm missing before I do the division?

1. Fill in the missing cost and revenue data and find the best point of production. Which of the 5 production points should the firm produce: 5, 10, 15, 20 or 25 units? (Donot try to calculate a point between the lines of the table).