The tree diagram below illustrates the possible outcomes of two tosses of a balanced coin. What is the probability that tails will come up both times? 1

1/2

3/4

1/4

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.)