Professional Image Briefcases is an exclusive producer of handcrafted, stylish cases. The company assembles each case with care and attention to detail. This laborious process requires the completion of the six primary work elements listed here. Work Element A Tan leather B Dye leather Time Precedence (Min) 30 30 A 15 B 10 10 C Shape case D Mold hinges and fixtures E Install hinges and fixtures C,D F Assemble case E 5 10 10 10 10 1. Calculate the cycle time necessary to assemble 50 cases in a 40-hour week. mins, (Round your answer to O decimal places.) 2. Which of the following assembly line layouts will ensure a production quota of 50 cases per week? a) AB, CDEF b) A, BD, CEF c) AC, BDEF d) A, BCD, EF 3. Calculate the efficiency of the assembly line chosen above. %, (Round your answer to integer, the tolerance is +/-1%.) 4. What cycle time is needed to produce 80 briefcases per week? minutes, (Round your answer to O decimal places.) 5. Which of the following layouts is incapable of producing 80 briefcases per week? a) A, BCD, EF b) AD, BC, EF c) A, BC, DEF d) A, BD, CEF