Repaired: (a) (b) {6'} (a? alone}.f Ltd engineers have found a method to reduce equipment manufacturing time. The new method would cost an additional cost of $536,000 and would allow Osiris Ltd to manufacture 20 additional unit a year. Should Osiris Itd implement the new method? Show your calculation. {'2 marks? A new installation technique has been developed that will enable Ame}; Ltd engineers to install filleen additional units of equipment a year. The new method will increase installation costs by $298,000 each year. Should Amoj,I Ltd implement the new technique? Show your calculation. (3 marks) Arno}.r Ltd engineers have proposed a. change in design of the electronic equipment that wotdd increase direct material costs by $3,620 per unit. This change is envisaged to enable r'tmoy Ltd to install up to 440 units of equipment each year. if Amoy Ltd makes the change, it will implement the new design on all equipment sold. Should Annoy Ltd use the new design? Show you calculations. (5 marks} Annoy Ltd top management is contemplating how to motivate workers to improve their productivity (output per hour). One proposal is to evaluate and compensate workers in the manufacturing and installation departments on the basis of their productivities. Do you think the new proposal is a good idea? Explain why. (2 marks} (Total: 1'2 marks)