A company produces very unusual CD's for which the variable cost is $ 18 per CD and the fixed costs are $ 45000. They will sell the CD's for $ 62 each. Let `x` be the number of CD's produced.
Write the total cost `C` as a function of the number of CD's produced.
`C =`$  

Write the total revenue `R` as a function of the number of CD's produced.
`R =`$  

Write the total profit `P` as a function of the number of CD's produced.
`P =`$  

Find the number of CD's which must be produced to break even.
The number of CD's which must be produced to break even is  

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