What does best estimate of a product mean?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

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.)