Use the Data Given Below to Answer the Following Questions)

Use the data given below to answer the following questions)
Below is the spreadsheet for demand prediction of a company that sells chocolates. $$\begin{array} { | l | l | l | l | } \hline & \text { A } & \text { B } & C \\\hline 1 & \text { Demand Predictim } & & \\& \text { Models } & & \\\hline 2 & & & \\\hline 3 & \text { Linear Model } & & \\\hline 4 & \text { A } & 10,000 & \\\hline 5 & B & 10 & \\\hline 6 & & & \\\hline 7 & \text { Price } & \text { Demand } & \\\hline 8 & \$ 50 & 9,500 & \\\hline 9 & \$ 55 & 9,450 & \\\hline 10 & \$ 45 & 9,550 & \\\hline 11 & & & \\\hline\end{array}$$
-Using a $ sign before a column label .

A) keeps the reference to both the row and column fixed
B) keeps the reference to the row fixed, but allows the column reference to change
C) keeps the reference to column fixed, but allows the row reference to change
D) allows both the row and column references to change