A company makes and sells customized yard signs. If you order 5 signs, they charge $72 which includes shipping. If you purchase 15 signs, the total cost is $202. Find and interpret the slope of the linear function in the context of the problem.

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.)