A P R O P E R C O P P E R C O F F E E P O T Assume you start off with 4 empty buffer frames, and that, when a page is requested, it is brought in and pinned as normal, and then immediately unpinned before the next page request. Using Clock replacement policy, how many buffer pool hits are there?

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.)