3. Shakespeare needs to replace the theater stage. The local engineering firm has submitted two alternative structural proposals with respective cost estimates as shown. Which construction should Shakespeare choose if his minimum attractive rate of return is 6%? Use the annual worth approach in your comparison. A B First Cost $ 55,000 $ 75,000 Annual Maintenance $ 6.800 $ 8.600 Salvage Value $ 9.200 $ 7.500 Service life, in years 15 20