Electronic equipment manufacturer Dynamo Electric, Inc. makes several types of surge protectors. Their base model surge protector has monthly fixed costs of $1275. This particular model wholesales for $12 each and costs $4.50 per unit to manufacture. (a) Write the function for Dynamo's monthly total costs. C(x) = (b) Write the function for Dynamo's monthly total revenue. R(x) = (c) Write the function for Dynamo's monthly profit. P(x) = (d) Find the number of this type of surge protector that Dynamo must produce and sell each month to break even. surge protectors

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