Q19) A company is planning to manufacture a new blender. After conducting extensive market surveys, the research department estimates a weekly demand of 600 blenders at a price of $50 per blender and a weekly demand of 800 blenders at a price of $40 per blender. Assuming the demand equation is linear, use the research department's estimates to find the revenue equation in terms of the demand x. A) R(x) = 80x - 20x2 B) R(x) = 20x + 20 2 X C) R(X) = 80x 20 D) R(x) = 80x 20