Identify the period of deferral in each of the following Deferred Annuities 1. Annual payments of 600 pesos for 7 years that will 7 years from now. 2. Payments of 17,000 pesos every 4 years for `12...

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

1. Annual payments of 600 pesos for 7 years that will 7 years from now.

2. Payments of 17,000 pesos every 4 years for `12 years strating at the end of 12 years.

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