Use the Data Given Below to Answer the Following Question(s)

Use the data given below to answer the following question(s)
Below is the spreadsheet for demand prediction of a company that sells chocolates. $$\begin{array} { | l | l | l | l | } \hline & \text { A } & \text { B } & \text { C } \\\hline 1 & \text { Demand Prediction } & & \\& \text { Models } & & \\\hline 2 & & & \\\hline 3 & \text { Linear Model } & & \\\hline 4 & \text { A } & 10,000 & \\\hline 5 & \text { B } & 10 & \\\hline 6 & & & \\\hline 7 & \text { Price } & \text { Demand } & \\\hline 8 & \$ 50 & 9,500 & \\\hline 9 & \$ 55 & 9,450 & \\\hline 10 & \$ 45 & 9,550 & \\\hline 11 & & & \\\hline\end{array}$$
-Given that D = a-bP, where D, is demand, "a" and "b," are linear constants, and P, is price, from the below spreadsheet, how will the formula in B9 be represented in Excel using relative addressing?

A) B4-B5*A9
B) C5-C6*A10
C) B4-B5*A10
D) B5-B6*A10