# Create a function using the following problem

**Question description**

A small café sells drip coffee for $0.80 per cup. On average, it costs the café$0.30 to make a cup of coffee (for grounds, hot water, filters). The café also has a fixed daily cost of $200 (for rent, wages, utilities).

(a) Let *R*, *C*, and *P* be the café's daily revenue, costs, and profit, respectively, for selling *x* cups of coffee in a day. Find formulas for *R*, *C*, and *P* as functions of *x*. [Hint: The revenue, *R*, is the total amount of money that the café brings in. The cost, *C*, includes the fixed daily cost as well as the cost for all *x* cups of coffee sold. *P* is the café's profit after costs have been accounted for.]

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