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BREAK-EVEN ANALYSIS Auto Time, a manufacturer of 24-hr variable timers, has a monthly fixed cost of
a. Sketch the graphs of the cost function and the revenue function, and thereby find the break-even point graphically.
b. Find the break-even point algebraically.
c. Sketch the graph of the profit function.
d. At what point does the graph of the profit function cross the x-axis? Interpret your result.

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