Solve the following questions

Question 1- You sell a product at $25/unit with variable costs of $7/unit and fixed costs of $40,000. If you increase the selling price by $2, keeping all else the same, the break-even point will

Question 2- Real Company's fixed costs are $45,000 with variable costs of $24,000 and sales of $80,000. In terms of dollars.

Part 1- What is the company's break-even point?

Question 3- You are currently producing with fixed costs of $32,500, a contribution ratio of 65% and a selling price of $12/unit. If you increase the selling price per unit by $4, what will happen to the break-even point?

Question 4- With a margin of safety at 40% on sales of $400,000.

Part 1- What is the break-even point in dollars?

I need assist to find the company's break-even point.