Suppose that the interest rate on treasury bills is 6% and every sale of bills costs 20. You pay out a cash at a rate of 400,000 a month. According to Baumol's model of cash balances, how many times should you sell bills?

Which of the following would not generally be a motive for a firm to hold inventories? a. to decouple or separate parts of the production process b. to provide a stock of goods that will provide a selection for customers c. to take advantage of quantity discounts d. to minimize holding costs e. all of the above are functions of inventory.