Consider the Following to Answer the Question(s) Below

Consider the following to answer the question(s) below:
A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested. The table below summarized the data.

-Find each of the following percentages.
a. What percentage of the clients invest in mutual funds and are over age 50?
b. What percentage of clients over age 50 invest in mutual funds?
c. What percentage of the mutual fund investors are over age 50?