1 . . 8. You are analyzing the inventory policy of HighTech Retail, a retailer of stereo systems. You collect the fol- lowing information: The annual expected sales, in units, is 18,000 units. The cost of placing a new order is $1,000, and it takes a month to receive delivery. The interest rate (foregone on inventory) is 10%, and each stereo costs about $1,000. Other storage and administrative costs, on an annualized basis, will amount to $100 per unit. Question 9 (1 point) Refer to Chapter 13, Problem 8. The optimal order quantity for this firm is approximately 424 units. This statement is: O True O False Refer to Chapter 13, Problem 8. The safety inventory for this firm is 1500 units. This statement is: True O O False Refer to Chapter 13, Problem 8. The average inventory that the firm should maintain is approximately 1924 units. This statement is: True O False