Minnie's European Mineral Springs, a single-price monopoly, faces the market demand schedule:
$$\begin{array}{cc}
\begin{array}{c}
\text { Price } \\
\text { (euros per bottle) }
\end{array} & \begin{array}{c}
\text { Quantity demanded } \\
\text { (bottles) }
\end{array} \\
\hline 10 & 0 \\
8 & 1 \\
6 & 2 \\
4 & 3 \\
2 & 4 \\
0 & 5
\end{array}$$
a Calculate the total revenue schedule for Minnie's European Mineral Springs.
b Calculate the marginal revenue schedule.