If I want to retire by 40, according to Colayco

Your XX000.00 current monthly income will be Php 34,380.00 after 17.00 years at inflation of 5% a year. The 34,380.00 a month is Php 412,560.00 in a year. You should have a net retirement fund (after 17.00 years) amounting to Php 4,125,600.00 that earn not less than 20.00% per annum to give you Php 34,380.00 a month or Php 412560.00 in a year to sustain your current lifestyle without working. In order to have that retirement of Php 4,125,600.00, you need to start saving Php 38,946.25 a year or Php 3,245.52 per month for the next 17.00 years at a rate of 20.00% per annum.