Hello, I am going to thank anyone able to help me in advance because this is such short notice, I need assistance with the questions below before midnight tonight.

5.1) Explain the differences between fixed costs and variable costs.

5.3) a. What is cost-volume profit (CVP) analysis?

b. Why is it so useful to health services managers?

5.4) a. Define contribution margin.

b. What is its economic meaning?

5.5) a. Write out and explain the equation for volume breakeven.

b. What role does contribution margin play in play in this equation?