Ski Boards, Inc., wants to enter the market quickly with a new finish on its ski boards. It has three choices: (a) refurbish the old equipment at a cost of $500, (b) make major modifications at the cost of $1,000, or (c) purchase new equipment at a net cost of $1,750. If the firm chooses to refurbish the equipment, materials and labor will be $1.20 per board. If it chooses to make modifications, materials and labor will be $0.85 per board. If it buys new equipment, variable costs are estimated to be $0.40 per board. a) On the graph to the right, use the line drawing tool to draw the total cost curve for each option. Label the curves TCa, TCb, and TCc, respectively. Note: Carefully follow the instructions above and only draw the required objects