********** ANSWER EITHER Q3 or Q4 or Q5 **********(10 points) Question 3. A sandwich processing centre in Sevilla, Spain has a six-stage process with cycle times as follows Calculate the total de time (in minutes and total balancing loss (as a percentage) for the operation Cycle time (mins) Butter on bread Filling Cutting Individual packing Stickers Boxing 0.24 0.41 0.44 0.64 0.27 0.17 Total idle time = (Round to two decimal places as needed.) Balancing loss = (Round to two decimal places as needed.) Please do not forget to show your calculation. Question 4. A firm's manager must decide whether to make or buy a certain item used in the production of vending machines. Making the item would involve annual lease costs of S150.000. Cost and volume estimates are as follows: Make Buy Annual fixed cost $150,000 None Variable cost/unit $ 60 $ 80 Annual volume (units) 12.000 12.000 a. Given these numbers, should the firm buy or make this item? b. There is a possibility that volume could change in the future. At what volume would the manager be indifferent between making and buying? Question 5. A company manufactures a product using two machine cells. Each cell has a design capacity of 250 units per day and an effective capacity of 230 units per day. At present, actual output averages 200 units per cell, but the manager estimates that productivity improvements soon will increase output to 225 units per day. Annual demand is currently 50.000 units. It is forecasted that, within two years, annual demand will triple. How many cells should the company plan to produce to satisfy predicted demand under these conditions? Assume 240 workdays per year