A hotel housekeeper, Alison Harvey, was observed five times on each of four task elements, as shown in the following table. Element 1 5 Check minibar Make one bed Vacuum floor Clean bath Performance Rating 100% 90 % 120% 98% 1.5 2.2 1.6 3.6 Observation (minutes per cycle) 2 3 4 1.5 1.5 1.4 2.4 2.2 2.1 2.0 2.0 1.4 3.5 3.7 3.5 1.5 2.4 1.6 3.1 Assume a 15% allowance factor. The standard time for this process = minutes (round your response to two decimal places)