Question 215905
A company has costs and revenue functions, in dollars given by C(q)=4000 + 10q and R(q)=30q
What is the break-even point? 
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The "break-even point" is when:
"cost" = "revenue"
or
C(q) = R(q)
4000 + 10q = 30q
4000 = 20q
200 = q