Identify the period of deferral in each of the following Deferred Annuities 1.Withdrawals of 7,200 pesos every 3 months for 9 years that will start at the end of 2 years. Kindly provide a solution (...

Identify the period of deferral in each of the following Deferred Annuities

1.Withdrawals of 7,200 pesos every 3 months for 9 years that will start at the end of 2 years.

Kindly provide a solution ( with formula and given) not  through an excel computation. thanks!