Revenue and Cost (Refer to Example 12.) The

cost to produce one compact disc is $1.50 plus a

one-time fixed cost of $2000. The revenue received

from selling one compact disc is $12.

(a) Write a formula that gives the cost C of producing

x compact discs. Be sure to include the fixed

cost.

(b) Write a formula that gives the revenue R from

selling x compact discs.

(c) Profit equals revenue minus cost. Write a formula

that calculates the profit P from selling x

compact discs.

(d) What numbers of compact discs need to be sold

to yield a positive profit?