An insurance company claims that for x thousand policies, its monthly revenue in dollars is given by R(x) = 125x and its monthly cost in dollars is given by C(x) = 100x + 5000. (a) Find the break-even point.

(b) Graph the revenue and cost equations on the same axes.

(c) From the graph, estimate the revenue and cost when x = 100 (100,000 policies).