.The firm's total cost function is given by the equation TC=200+3Q and the demand function is

P=107-2Q.

a. Write down the equation of the total revenue function (TR)

b. Graph the total revenue function for 0

maximum

c. Plot the total cost function on the diagram in part b. Estimate the break-even point from

the graph. Confirm your answer algebraically.

d. State the range of values of Q for which the company makes profit.