A right circular cylinder is inscribed in a cone with height h and base radius r. Find the largest possible volume of such a cylinder. (b) A right circular cylinder is inscribed in a sphere with radius r. Find the largest possible surface area of such a cylinder.

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.)