Refer to the Table

Multiple Choice

$$\begin{array} { | c | c | c | c | c | } \hline ( 1 ) & ( 2 ) & ( 3 ) & ( 4 ) & ( 5 ) \\Q _ { d } & Q _ { d } & \text { Price } & Q _ { S } & Q _ { S } \\\hline 50 & 40 & \$ 10 & 70 & 80 \\\hline 60 & 50 & 9 & 60 & 70 \\\hline 80 & 60 & 8 & 50 & 60 \\\hline 90 & 70 & 7 & 40 & 50 \\\hline 100 & 80 & 6 & 30 & 40 \\\hline\end{array}$$ Refer to the table. In relation to column (3) , a change from column (5) to column (4) would indicate a(n)

A) increase in demand.
B) decrease in demand.
C) increase in supply.
D) decrease in supply.