3722 w
67%
The table shows the travelling time to work of 50 people.
Frequency
Travelling time (1)
in minutes
0 5
10 15
20 13
30 < t < 40
10
40 < t < 50
7
Calculate an estimate of the mean travelling time.

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)