Roberto owed his credit card $1000 dollars after 8 weeks. He decides to start paying it off.
After 10 weeks, he only owns $750. Calculate the
rate of change to figure out how much he was paying
per week after week 8.

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.)