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.
feb mar apr may jun jul aug sept oct nov dec
a 100 100 100 100 100 100 100 100 100 100 100
100 100 100 100 100 100 100 100 100 100 100
a. investment a is ar 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