$4\mathrm{.}9$ A What is the impact on space requirements for a vending machine and cafeteria food service for the following luncheon patterns? $800$ employees$$one shift $400$ employees$$two shifts $200$ employees$$four shifts B $-$ What is the impact on space requirements for a serving line and cafeteria food service for the luncheon patterns given in Problem $4\mathrm{.}92$ What is the impact on space requirements for a full kitchen and cafeteria food service for the luncheon patterns given in Problem $4\mathrm{.}92$