I have the right answer for V1= 3000 V2= 1666 V3=2142, but I don't know how to draw the line

Ski Boards, Inc., wants to enter the market quickly with a new finish on its ski boards. It has three choices: 8,000- (a) refurbish the old equipment at a cost of $250, 7,500- (b) make major modifications at the cost of $1,000, or 7,000- (c) purchase new equipment at a net cost of $1,750. 6,500- If the firm chooses to refurbish the equipment, materials and labor will be $1.10 per board. If it chooses to 6,000- make modifications, materials and labor will be $0.85 per board. If it buys new equipment, variable costs 5,500- 5,000- are estimated to be $0.40 per board. 4,500- a) On the graph to the right, use the line drawing tool to draw the total cost curve for each option. Label the 4,000- Do curves TOa, TCb, and TCc, respectively. 3,500- Note: Carefully follow the instructions above and only draw the required objects. X That's incorrect. X A sample correct answer: Your answer: 8,000- 8,000 7,500 7,500- 7,000 7,000- 6,500- 6,500- 6,000- 5,500 5,500 5,0003 5,000 4,500 4000 4,500 Dollars 3,500 3,000 3,500 3000 2,500 TG. NNWO 2500- 2,000 2,000 1,500 1500 Editing: 1,000 1,000- 500 500 Line tool 1,000 2,000 3,000 4,000 5,000 1,000 2,000 3,000 4,000 5,000 Boards Boards Click the graph, choose a tool in the palette and follow the instructions to cre parts OK