A company that manufactures paddle boards has a fixed cost of $21,000. It costs $100 to produce each paddle board. The selling price is $250 per paddle board. 1. Write the total cost, C, as a function of the number of paddle boards produced, x. 2. Write the total revenue, R, as a function of the number of paddle boards sold, x. 3. Determine the break-even point. 4. Interpret the break-even point in a sentence. 5. Write the Profit function. (profit is revenue - cost). 6. How many paddle boards would you have to produce and sell to have a profit of $50,000?