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3. Doug's Dope manufacturers a small plastic bottles for selling its "medicinal products". Manufacturing costs for the small bottles are $55 per unit ( 100 bottles), including fixed costs of $12 per unit. A proposal is offered to purchase small bottles from an outside vendor for $36 per unit, plus $3 per unit for freight in. Using differential analysis, determine the difference between the two alternatives and whether the company should buy or continue to make the small bottles. A) $0 difference, the company is indifferent B) $8 difference, Make C) \$(4) difference, Make D) $(4) difference, Buy