(12) Calculate the annuity symbol a 72% (Round your answer to two decimal places.) (12) = Carefully describe what it measures. The symbol gives the present value of a perpetuity-immediate with a payment of each twelfth of an interest period, with an effective rate for the payment period of 2%. 12 The symbol gives the present value of a perpetuity-immediate with a payment of 1 each twelfth of an interest period, with an effective rate for the interest period of 2%. 12 The symbol gives the present value of a annuity-immediate with a payment of each twelfth of an interest period, with an effective rate for the payment period of 2%. 12 1 The symbol gives the present value of a perpetuity-due with a payment of each twelfth of an interest period, with an effective rate for the interest period of 2%. 12 1 The symbol gives the present value of a perpetuity-due with a payment of each twelfth of an interest period, with an effective rate for the payment period of 2%. 12