Write a function to : :
represent the following scenario:

Darius filled up his gas tank with 24 gallons of gas. For each mile that he
drives, he uses 0.06 gallons of gas.

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.)