1. Your company can lease a truck for $15,000 a year (paid at the end of the year) for six years, or it can buy the truck today for $60,000. At the end of the six years the truck will be worthless. If the discount rate is 3%, what is the present value of the lease payments? Is the lease worthwhile? 2. A project manager has promised to double the value of an investment. If the rate of return is 7% a year, how many years will she take to do so? 3. You need to take out an office mortgage for $10,000,000. If payments are made annually over 30 years and the interest rate is 5%, what is the amount of the annual payment