Your parents have made you two offers. The first offer includes annual gifts of $10,000, $11,000, and $12,000 at the end of each of the next three years, respectively. The other offer is the payment of one lump sum amount today. You are trying to decide which offer to accept given the fact that your discount rate is 8 percent. What is the minimum amount that you will accept today if you are to select the lump sum offer? 24) You have been investing $250 a month for the last 13 years. Today, your investment account is worth $73,262. What is your average rate of return on your investments? 50) Denver Interiors, Inc., has sales of $836,000 and cost of goods sold of $601,000. The firm had a beginning inventory of $36,000 and an ending inventory of $47,000. What is the length of the inventory period?