i need help with 13-15

The owner of Firewood-To-Go is considering buying a hydraulic wood splitter which sells for $50,000. He figures it will cost an additional $100 per cord to purchase and split wood with this machine, while he can sell each cord of split wood for $125. Use this information to answer questions 13 through 15. 13. How many cords of wood would he have to split with this machine to break even? a. 5,000 b. 3,000 C. 2,000 d. 1,000 e. 0 14. What would the potential profit be if he were to split 4,000 cords of wood with this machine? a. So b. $200,000 c. $100,000 d. $75,000 e $50,000 15. How many cords of wood would he have to split with this machine to make a profit of $30,000? a. 3,200 b. 1,500 c. 2,000 d. 1,000 e. 500