using System;

using System.Threading;

​

public class Program {

// Fill these out depending on your current NPS scores -- Click Run to see data.

​

    static double numPromoter = 6;

    static double numNeutral = 1;

    static double numDetractor = 2;

// "What if?" -- Fill out fields to see your potential NPS if you were to receive X amount of promoters, neutrals, or detractors. 

    static double possiblePromoter = 2;

    static double possibleNeutral = 0; 

    static double possibleDetractor = 0; 

// Do not change values

    static double price1;

    static double price2;

    static double price3;

    static double price4;

    static double price5;

    static double price6;

    static double price7;

    static double price8;

    static double price9;

    static double price10;

    static double price11;

    static double price12;

    static double price13;

    static double price14;

    static double price15;

    static double price16;

    static double price17;

    static double price18;

    static double price19;

    static double price20;

    static double fee1;

    static double fee2;

    static double fee3;

    static double fee4;

    static double fee5;

    static double fee6;

    static double fee7;

    static double fee8;

    static double fee9;

    static double fee10;

    static double fee11;

    static double fee12;

    static double fee13;

    static double fee14;

    static double fee15;

    static double fee16;

    static double fee17;

    static double fee18;

    static double fee19;

    static double fee20;

    public static void Main() {

            numSurvey = numPromoter + numNeutral + numDetractor;

            possibleSurvey = numSurvey + (possiblePromoter + possibleNeutral + possibleDetractor);

            npsScore1 = ((numPromoter * promoteVal) + (numDetractor * detractVal)) / numSurvey;

            npsScore2 = npsScore1;

            npsScore3 = ((numPromoter * promoteVal) + ((numDetractor + 1) * detractVal)) / (numSurvey + 1);

            npsScore4 = ((numPromoter * promoteVal) + ((numDetractor) * detractVal)) / (numSurvey + 1);

            possibleNPS = (((numPromoter + possiblePromoter) * promoteVal) + ((numDetractor + possibleDetractor) * detractVal)) / possibleSurvey;

            npsScore1 = Math.Round(npsScore1, 4);

                Console.WriteLine ("Your current NPS score is: " + (npsScore1 * 100) + "%\n");

                Console.WriteLine ("With one more detractor, your NPS will be: " + (npsScore3 * 100) + "%\n");

                Console.WriteLine ("With one more neutral, your NPS will be: " + (npsScore4 * 100) + "%\n");

        while (npsScore2 < npsGoal) { 

                count++;

                numPromoter1 = numPromoter++;  

                numSurvey1 = numSurvey++;

                npsScore2 = ((numPromoter1 * promoteVal) + (numDetractor * detractVal)) / numSurvey1;   

            }

        while (npsScore2 >= npsGoal) {

                npsScore2 = Math.Round(npsScore2, 4);

                Console.WriteLine ("\n------------------How to Achieve NPS Goal (60%)------------------\n");

                Console.WriteLine ("You will need to receive " + count + " promoters to bring your NPS to: " + (npsScore2 * 100) + "%");

                                    break;  

            }

                possibleNPS = Math.Round(possibleNPS, 4);

                Console.WriteLine ("\n\n--------------------Potential NPS Calculator---------------------\n");

                Console.WriteLine ("If you were to receive " + possiblePromoter + " promoter(s), " + possibleNeutral + " neutral(s), " 

                                   + "and " + possibleDetractor + " detractor(s),\n\nYour NPS would be: " + (possibleNPS * 100) + "%");

            }   

    }