In the table below, we are given two annuity plans, A and B, and the amount invested into each plan every month. Given this
information, determine which of the two investments is an ordinary annuity, and the amount invested over a 12 month period.
Jan Feb Mar Apr May Jun Jul Aug Sept. Oct Nov Dec
A 100 100 100 100 100 100 100 100 100 100 100
B
100 100 100 100 100 100 100 100 100 100 100
a. Investment A is an ordinary annuity with an annual contribution of $1,100
b. Investment A is an ordinary annuity with an annual contribution of $100
C. Investment B is an ordinary annuity with an annual contribution of $1,100
d. Investment B is an ordinary annuity with an annual contribution of $100