At the end оf week 10, this prоject hаs cоst $9,000 аnd hаs 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. Duration (weeks) 5 10 15 20 25 % Comp Conceptual design 10 6 100% Graphics design 12 6 4 30% Copyright 4 5 6 0% Samples 4 2 0% Tooling 6 9 4 0% Production 2 6 14 0% Total 10 18 22 26 24 Cumulative 10 28 50 76 100