1. Using the following information from Amazon's 2019 financial statements, calculate cash conversion cycle (CCC) for Amazon: inventory = $20,497; accounts receivables =$21,534; accounts payable =$47,183; net sales =$280,522 and cost of goods sold =$165,536. All figures are in millions of USD

2. How long will it take you to triple your investment if you can earn an annual rate of return of 9 percent? You can assume any amount, for example, $100 of investment today.

3. What is the IRR of the following project? After-tax initial investment = -$8,000; CF1 =$2,000; CF2 = $3,000; CF3 =$4,000; CF4 = $5,000, If the cost of capital is 18 percent, should you accept the project? If you are using trial-and-error method, you can try an range of rate between 22.50 and 22.75 percent.