Answer:
B. 39
Step-by-step explanation:
The total market share values of the stocks does not influence on the price-weighted index, as the index is simply obtained by the sum of all share prices divided by the number of different stocks. The price-weighted index of the three stocks is:
[tex]I=\frac{\$12+\$75+\$30}{3}\\I=\$39[/tex]
The answer is alternative B. 39.