Table 11-1 -Refer to Table 11-1

Table 11-1
$\begin{array}{|c|c|c|}\hline \text { Quantity } & \begin{array}{c}\text { Price } \\\text { (dollars) }\end{array} & \begin{array}{c}\text { Total Revenue } \\\text { (dollars) }\end{array} \\\hline 1 & \$ 7.50 & \$ 7.50 \\\hline 2 & 7.00 & 14.00 \\\hline 3 & 6.50 & 19.50 \\\hline 4 & 6.00 & 24.00 \\\hline 5 & 5.50 & 27.50 \\\hline 6 & 5.00 & 30.00 \\\hline\end{array}$
-Refer to Table 11-1.What portion of the marginal revenue of the 4th unit is due to the output effect and what portion is due to the price effect?

A) output effect = $24.00; price effect = $19.50
B) output effect = $6.50; price effect = $2.00
C) output effect = -$0.50; price effect = $5.00
D) output effect = $6.00; price effect = -$1.50