GMAT Problem Solving (PS) | Re: Company Q plans to make a new product next year and sell each unit of

If company makes x units, Sp of those x units = 2x dollars

Now we are given that 40% of this Sp is variable cost, and rest must be thus fixed cost of $5040. So $5040=60% of 2x =1.2x

So x = 5040/1.2 = 4200

Hence A answer

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