Tomas Wants to Save $1,200 a Year in a Manner

Tomas wants to save $1,200 a year in a manner that maximizes his savings. To do this, he should:

A) Deposit $1,200 into his savings account on the last day of each year.
B) Treat his $100 monthly savings deposits as an annuity due.
C) Treat his $100 monthly savings deposits as an ordinary annuity.
D) Deposit $300 into his account at the end of each quarter.
E) Deposit $600 into his account at the end of every six month period.