Duration (Weeks) -At the End of Week 25,this Project Has Cost $79,000

Duration (weeks)
$$\begin{array} { | l | l | l | l | l | l | l | } \hline & 5 & 10 & 15 & 20 & 25 &\%\mathrm { Cormp } \\\hline \text { Conceptual desiern } & 10 & 6 & & & & 100 \% \\\hline \text { Craphics desigrl } & & 12 & 6 & 4 & & 100 \% \\\hline \text { Copyright } & & & 4 & 5 & 6 & 100 \% \\\hline \text { Barmples } & & & 4 & 2 & & 70 \% \\\hline \text { Toolirg } & & & 6 & 9 & 4 & 50 \% \\\hline \text { Production } & & & 2 & 6 & 14 & 20 \% \\\hline \text { Total } & 10 & 18 & 22 & 26 & 24 & \\\hline \text { Currulative } & 10 & 28 & 50 & 76 & 100 & \\\hline\end{array}$$
-At the end of week 25,this project has cost $79,000 and has an earned value as indicated in the table.Use the data to calculate the cost performance index for the project.All amounts are in thousands of dollars.

A) 1.11
B) 0.82
C) 0.94
D) 0.90