please help with this problem, thank you!

7 Q Q The following table shows the results of a survey of authors by a ctitious publishing company. Established New Authors Authors Total Successful 8 28 36 Unsuccessful 14 50 64 Total 22 78 100 Consider the following subsets of the set S of all authors represented in the table: C, the set of successful authors; U, the set of unsuccessful authors; N, the set of new authors; and E, the set of established authors. HINT [See Example 3.] (Round your answers to two decimal places.) What percentage of established authors are successful? % What percentage of successful authors are established? %