b) Which variable is the response variable? A. The response variable is revenue per month because the executives want to know how unpaid interns depends on revenue per month. B. The response variable is revenue per month because the executives want to know how revenue per month depends on unpaid interns C. The response variable is unpaid interns because the executives want to know how revenue per month depends on unpaid interns D. The response variable is unpaid interns because the executives want to know how unpaid interns depends on revenue per month