KLP-avkastningsformel.js

var listofSumsWithnoRate = [109012, 118837, 129547, 141222, 153950, 167824, 182949, 199437, 217411, 237005, 258364, 281649, 307032, 334703, 364868, 397751, 433598, 472675, 515274, 561713]
var listOfKLPSums = [108791, 118355, 128760, 140080, 152394, 165792, 180367, 196223, 213474, 232240, 252657, 274869, 299033, 325322, 353921, 385035, 418884, 455709, 495772, 539356]

function cal(deposit, year, yield, rate){
  while(year--){
    deposit = (deposit * yield) * (1 - rate)
  }
  return Math.round(deposit)
}

function matchCheck(list, yield, rate){

  for(var i=1; i <= 20; i++){
    var sum = cal(100000, i, yield, rate)
    var correctSum = list[i - 1]

    if(correctSum !== sum){
      console.group('Year ' + i)
      console.log('%c' + sum, 'color:red')
      console.log('%c' + correctSum, 'color:green')
      console.log('%c ≠ ' + (correctSum - sum), 'color:black')
      console.groupEnd()
    }
  }

}



var rate = 1.09012352

console.log('Checking 20 years with no yield')
matchCheck(listofSumsWithnoRate, rate, 0)

console.log('Checking KLP for 20 years with 0.02% in yield')
matchCheck(listOfKLPSums, rate, 0.002)