Exercise 3: A B&B housekeeper, Sandra Holmes, was observed five times on each of four task elements, as shown in the following table. On the basis of these observations, find the standard time for the process. Assume a 5% allowance factor. Element Check minibar Make one bed Vacuum Floors Clean bathroom Performance Rating (%) 100 9 0 110 100 1 1.5 2.4 1.7 3.6 Observations (Minutes per cycle) 2 3 4 5 1.6 1.3 1.3 1.5 2.5 2.1 2.2 2.4 1.9 1.4 1.6 1.5 3.5 3.6 3.6 3.2 1 1