Last year, Small Company sold 10,000 units of its only product. If sales increase by 15% in the current year, how will unit variable cost and unit fixed cost be affected? Unit Variable Cost A) Remains constant B) Increases C) Decreases D) Remains constant E) Remains constant Unit Fixed Cost Remains constant Decreases Remains constant Decreases Increases A. Choice A B. Choice B C. Choice C D. Choice D E. Choice E