It takes a total of 475 seconds for one technician to assemble one airrules smart phone, working alone. however, airrules manufactures its smart phones with twenty technicians staffing a twenty station assembly line, producing one smart phone every 30 seconds. how efficient is the airrules smart phone assembly line? (a) 50%(b) 21%(c) 33%(d) 67%(e) 79%

Your father's employer was just acquired, and he was given a severance payment of $375,000, which he invested at a 7.5% annual rate. he now plans to retire, and he wants to withdraw $35,000 at the end of each year, starting at the end of this year. how many years will it take to exhaust his funds, i.e., run the account down to zero? a. 22.50 b. 23.63 c. 24.81 d. 26.05 e. 27.35