Describe an unweighted price index and describe how you would construct such an index. Assume a 20

Question:

Describe an unweighted price index and describe how you would construct such an index.
Assume a 20 percent price change in GM ($40/share; 50 million shares outstanding) and Coors Brewing ($25/share and 15 million shares outstanding). Explain which stock's change will have the greater impact on this index.