The table below shows the marginal revenue product of labor (\[MRP_L\]) of a firm producing pillows. The firm uses various amounts of labor, and it can sell as many pillows as it wants for \[\$10\]. Labor MRP \[0\] - \[1\] \[\$300\] \[2\] \[\$250\] \[3\] \[\$200\] \[4\] \[\$150\] \[5\] \[\$100\] \[6\] \[\$50\] \[7\] \[\$0\] What is the marginal product of the fourth worker? Choose 1 answer: Choose 1 answer: (Choice A) \[50\] pillows A \[50\] pillows (Choice B) \[20\] pillows B \[20\] pillows (Choice C) \[15\] pillows C \[15\] pillows (Choice D) \[1\] pillow D \[1\] pillow (Choice E) \[10\] pillows E \[10\] pillows