9. Which of the following costs related to holding cash are minimized when the level of cash a firm holds is optimized? A. opportunity costs B. trading costs C. total costs D. both trading and opportunity costs E. trading costs, opportunity costs, and total costs 10. A cash discount of 2/5, net 30: A grants customers 30 days to pay after the discount period expires. B. offers customers a maximum of 30 days credit. C. grants free credit for a period of 30 days. D. charges a higher price to a cash customer than to a customer who pays in 2 days. E grants customers 2 days to pay if they want the 5 percent discount 11. The Winter Store just purchased $48,300 of goods from its supplier with credit terms of 2/10, net 25. What is the discounted price? A. $43,470 B. $46,209 C. $47,334 D. $47,929 E. S48,300 12. Today, October 12, Nadine's Fashions purchased SS11 worth of merchandise from a supplier The credit terms are 1/5, net 20. By what day does Nadine's have to make the payment to receive the discount? Note: October has 31 days. A. October 13 B. October 15 C. October 17 D. October 27 E. November 1 13. The length of time a firm must wait to recoup the money it has invested in a project is called the: A. internal return period. B. payback period. C. profitability period. D. discounted cash period. E. valuation period