29. Suppose a company would like to add a function in an existing product, and there are 5 choices. Please calculate index numbers and find the ranks for the 5 functions based on the 8 managers below. Lower numbers indicate higher priority.

29. Suppose a company would like to add a function in an existing product, and there are 5 choices. Please calculate index numbers and find the ranks for the 5 functions based on the 8 managers below. Lower numbers indicate higher priority. Customers C1 C2 C3 C4 C5 C6 C7 C8 Function 1 5 5 4 7 Function 2 2 5 10 6 3 2 6 Function 3 3 2 4 3 2 2 Function 4 6 5 3 2 4 3 Function 5 2 2 3 4 2 4 2 Function 1 is measured by 8 scales. Function 2 is measured by 10 scales. Function 3 is measured by 4 scales. Function 4 is measured by 6 scales. Function 5 is measure by 4 scales