Answers
A
Upper case S implies assured payment at the occurrence of the event. The bar on the top implies one-time payment at the time of occurrence of the event (such as death). The subscript 30 in angle mark (box) indicates period of payment of the annuity. i is the indicator of interest rate of 5%.
The overall implication of this symbol is an annuity – the annuity of ‘x’ amount will be paid at the time of death and at the end of every year thereafter for 30 years at an interest rate of i (=5%).
B
I is the interest rate and the superscript 12 indicates monthly (12 times) compounding per annum. Lower case a implies an annuity and the superscript 12 indicates monthly (12 times) payment per annum.
The subscript infinity in angle mark (box) indicates period of payment of payment of the annuity. i is the indicator of interest rate of 5%.
The overall implication of this symbol is an annuity – the annuity ‘x’ shall be paid 12 times a year for infinite number of years (non-terminating) and at the end of every period at an interest rate i (=5%) which shall be compounded 12 times per annum.
C
I is the interest rate. Lower case s implies an annuity and the double dots indicate payment at the start of the year. The superscript 4 indicates quarterly (4 times) payment per annum. The subscript 20 in angle mark (box) indicates period of payment of the annuity.
I is the indicator of interest rate of 5%.
The overall implication of this symbol is an annuity – the annuity ‘x’ shall be paid 4 times a year for 20 years and at the beginning of every period at an interest rate i (=5%)
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