If a perpetual inventory system is in use . a physical inventory count is not required because the Inventory account is updated for each purchase and sale. a physical inventory count is not required because the Inventory account is updated every time a transaction or event occurs. a physical inventory count should be taken at least annually. a physical inventory count is required because the Inventory account is not updated when inventory is purchased or sold.

 a physical inventory count should be taken at least annually

Explanation: That an inventory is perpetual does not discount the need for taking physical inventory at least once a year. This is important because it helps in the identification of shrinkage or shortages and to also test the accuracy of the perpetual records under use. Now, a perpetual inventory is a kind of inventory that tracks and records continuously, items as they are added to or subtracted from the inventory thus keeping it updated and aids in keeping the track of the cost of goods bought and sold.

answer; maintain a safe following distance;

answer(b) equal; set period;