A Software Company Wants to Determine Whether There Is a Relationship

Multiple Choice

A software company wants to determine whether there is a relationship between their three sales offices and the sales of their software products. The actual sales results are :
$\begin{array}{lccc} & \text { Product A } & \text { Product B } & \text { Product C } \\\text { Office 1 } & 17 & 10 & 23 \\\text { Office 2 } & 18 & 23 & 9 \\\text { Office } 3 & 26 & 10 & 64\end{array}$
Under the null hypothesis, what is the expected amount of Product A that would be sold by Office 2 ?

A) 12.20
B) 15.25
C) 20.33
D) 30.50