these are 3 multiple choice questions.

If the interest rate is 8%, which of these investments would you prefer? A payment of $40 a year for 20 years OA OB. A perpetuity of $40 a year o'c. A single payment of $600 in year 3 A payment of $342.17 today How much more is a perpetuity of $1,000 worth than an annuity of the same amount for 25 years? Assume an interest rate of 15% and cash flows at the end of each period? $202.52 B. $303.57 5573.91 $652.21 An investment of $5 pays interest of 3.5% per week. What will be the value of this investment at the end of 3 years? (assume 52 weeks in one year) $734.5 O A. $112.2 OB $1318.8 OC. $1070.7