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Total contribution

John stocks the candy machine on his city's subway. Each candy bar sells for $0.60 . He pays a monthly rental for the space of $117. The variable cost of each bar is $0.10.
What is the total contribution at 500 bars sold?

Solution Preview

Each cand bar sells for $0.60, so the revenue for selling x bars is R(x) = 0.60x.
The cost of each bar is ...

Solution Summary

This is a problem that looks at total contribution regarding candy bars.