The graph shows the demand curve for coal. The government Price (dollars per ton) + imposes a sales tax on sellers of coal. It turns out that the buyers end 60- up paying the entire tax. Draw the supply curve of coal. Label it S. 50 Draw a second supply curve that shows the effect of the tax. Label it S + tax. 40- >>> Make sure your supply curves intersect the demand curve. 30- . . . 20- D 10- 20 40 60 80 100 120 Quantity (thousands of tons per year) > >> Draw only the objects specified in the