Once a year employees at a company are given the opportunity to join one of three pension​ plans, A,​ B, or C. Once an employee decides to join one of these​ plans, the employee cannot drop the plan or switch to another plan. Past records indicate that each year 20​% of the employees elect to join plan​ A, 15​% elect to join plan​ B, 6​% elect to join plan​ C, and the remainder to not join any plan. ​(1) In the long​ run, what percentage of employees will elect to join plans​ A, B, and​ C? ​(2) On​ average, how many years will it take an employee to decide to join a​ plan?