(15 points total). A musician is opening a new company called Wunderhorn, Inc. The firm will produce top quality trumpets. Costs are expected to be: Machinery costs $ 75,000 per year Building costs Manufacturing costs 125,000 per year 200 per unit 100,000 per year 50 per unit Administrative costs Selling costs They expect to sell the trumpets for $350 each. part a. (3 points) Use the above data to write out an equation for determining the break-even point. Use the variable x for the quantity of trumpets. (Remember that profit = revenue - variable cost - fixed cost.) Again, use the data above in your equation. part b. (3 points) Calculate the break-even point in dollars. part c. (5 points) Calculate the number of trumpets that must be sold to earn a profit of $50,000. part d. (4 points) If the company's variable costs decrease by $50 per unit, what will happen to their break-even point increase, decrease, or no change)? Why