A hotel housekeeper, Alison Harvey, was observed five times on each of four task elements, as shown in the following table.

Element Performance Rating 1 2 3 4 5 Check minibar 100 1.4 1.6 1.5 1.6 1.4 Make one bed 92 2.3 2.4 2.0 2.3 2.4 Vacuum floor 115 1.6 1.8 1.8 1.4 1.7 Clean bath 100 3.5 3.7 3.6 3.5 3.1

Assume a 10% allowance factor.

The standard time for this process =___ minutes. (round your response to two decimal places).