JoJo's Portfolio's Return Is 12 Percent

Multiple Choice

JoJo's portfolio's return is 12 percent.She is invested in Cisco and IBM which had returns of 15 percent and 9 percent respectively.What percentage of JoJo's assets are invested in each firm?

A) 40 percent in Cisco and 60 percent in IBM
B) 50 percent in Cisco and 50 percent in IBM
C) 30 percent in Cisco and 70 percent in IBM
D) Unable to determine with the data provided