Examples200g00o Suppose you retire at age 60. You expect to live 20 more years and spend a year during your retirement. How much mone do you need to save by age 60 to support this consumption plan Assume an interest rate of 7% - Your company can lease a truck for $8,000 a year (paid at year-e for 6 years. It can instead buy the truck for $40,000. The truck e valueless after 6 years. If the interest rate is 7%, is it cheape buy or lease