Nine observations from a work measurement study using continuous timing are shown below. Allowances are determined as: personal, 10 percent; fatigue, 10 percent; delay, 10 percent.

Work				Observation
Element	1	2	3	4	5	6	7	8	9	Performance Rating
A	0.09	0.12	0.08	0.11	0.10	0.09	0.13	0.12	0.13	105%
B	0.17	0.21	0.19	0.20	0.22	0.18	0.22	0.18	0.25	100%
C	0.38	0.42	0.40	0.45	0.51	0.43	0.44	0.47	0.49	95%
D	0.58	0.59	0.61	0.65	0.69	0.63	0.62	0.62	0.68	80%
E	0.70	0.70	0.70	0.73	0.79	0.74	0.72	0.70	0.77	105%
F	0.96	0.96	0.97	1.03	1.08	1.00	0.99	0.99	1.03	110%

Determine the standard time for this operation. Round your answer to two decimal places.