The economic student association at the University X is hiring students to make banners "I love economics" for the coming conference. Complete the following table and plot the production function and the cost function for producing banners. Number of Output Marginal Cost of Cost of Total Cost students Hired Product of Equipment Students Hired Labour O 0 100 0 100 100 20 80 100 140 240 100 60 40 100 180 300 100 100