The manufacturer of an energy drink spends $1.20 to make each drink and sells them for $2. The manufacturer also has fixed costs each month of $8,000. a. Find the cost function C when "a" energy drinks are manufactured. C(x) = Write your answer in slope-intercept form. b. Find the revenue function R when "x" drinks are sold. R(x) = Write your answer in slope-intercept form. . c. Graph both your Revenue and Cost functions on the graph below that shows the break-even point. 26000- 24000- 22000- 20000- 18000- 16000- 14000- 12000- 10000- 8000- 6000-