B. The following medical devices require repair. Arrange them in priority sequence and explain your rational. [5 marks] i. Ventilator from ICU, four back-up units, normally only two in use at any one time. ii. Clinical chemistry analyzer, manual back-up, major revenue producer. iii. Cardiac monitor in ICU, 12 other monitors available for back-up, average daily patient load is eight. The nurse in charge is very demanding. iv. Infant incubator, six back-up units, average daily patient load is four. The wife of your boss is pregnant and has a history of delivering early. V. Surgical drill, two back-up units. The surgeon is a prima donna (i.e. lead surgeon) with the hospital administration and this is his favourite drill.