The angle of elevation of a ladder leaning against a wall is 45°. if the distance from the base of the ladder to the wall is 12 feet, then the length of the ladder is 12 feet long.

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.)