Please only answer for part d. Thank you

Fellwell is a company producing flight safety parachutes for drones. The cost of producing a parachute can be breakdown into fixed cost of $50000 per year and variable cost of $200 per parachute. (a) Explain how gross profit from selling parachute can be computed. (b) If the company sold the parachute harness at $300 per harness, what is the minimum sales quantity per month for the company to break even? (c) If the company decides to sell the harness at $450 per harness, what is the minimum sales quantity per month to break even? (d) What are the factors that affect whether the company could price its parachute harness at $450 instead of $300 ? (10 marks)