Use the Table Below to Answer the Following Questions) by Invoking

Use the table below to answer the following questions) by invoking the binary constraints on the variables using the standard Solver.
Below is the spreadsheet for a project selection model: $\begin{array}{|l|l|l|l|l|l|l|l|}\hline & \text { A } & \mathrm{B} & \mathrm{C}&D&E&F&G \\\hline 1 & \begin{array}{l}\text { Project Selection } \\\text { Model }\end{array} & & \\\hline 2 & & & \\\hline 3 & \text { Data } & & \\\hline 4 & & & & && & \text { Available } \\& &\text { Project 1 } & \text { Project 2 } & \text { Project 3 } & \text { Project 4 } & \text { Project 5 } & \text { Resources } \\\hline &\text { Expected Return } & \$ 160,000 & \$ 200,000 & \$ 125,000 & \$ 150,000 & \$ 225,000 & \\5 &\text { NPV) } & \\\hline 6& \begin{array}{l}\text { Cash } \\\text { requirements }\end{array} & \$ 45,000 & \$ 70,000 & \$ 28,000 & \$ 52,000 & \$ 65,000 & \$ 175,000 \\\hline 7 & \text { Personnel } & & & & & & \\&\text { requirements } & 7 & 4 & 2 & 6 & 4 & 10\\\hline 8 & \\\hline 9 & \text { Model } \\\hline 10 & \\\hline & \text { Project selection } \\11 & \text { decisions } \\\hline 12 & \text { Cash Used } \\\hline 13 & \text { Personnel Used } \\\hline 14 & \text { Return } \\\hline\end{array}$
-What is the total amount of personnel used for all five projects?

A) 23
B) 17
C) 10
D) 4