Mandy's total cost to produce 30 ladders is $1000. Her total cost to produce 20 ladders is $800.

Mandy's marginal revenue is $70. (Hint. marginal revenue is the "slope" of the revenue function).

Mandy's total cost to produce 30 ladders is $1000. Her total cost to produce 20 ladders is $800. Mandy's marginal revenue is $70. (Hint: marginal revenue is the "slope" of the revenue function). 9. What is Mandy's cost function? 10. How much will it cost Mandy (total cost) to produce 50 ladders? 11. What is Mandy's revenue function? 12. What is Mandy's profit function? 13. What is Mandy's breakeven point for her business? ladders