got code coverage only 5% percentage how can i acheive this 75% more , please help me for 75% code coverage
trigger RepCompensation on Compensation__c(before insert, before update) {
for(Compensation__ccc: Trigger.New){
    List<Compensation__c> cclist =[select id,Contract__c,Payment_Amount__c,Payment_Frequency1__c,Frequency_Months__c,Payment_Due_Date__c,Payment_Date_2__c,Payment_Date_3__c,Payment_Date_4__c,Payment_Amount1__c FROM  Compensation__cWHERE id  in : Trigger.New];
    datetime cd = System.today();

  if((cc.Payment_Frequency1__c == 'Annually' || cc.Payment_Frequency1__c == 'One Time') & cc.Payment_Frequency1__c <> Null){
        If(cc.Frequency_Months__c <> Null && cc.Payment_Due_Date__c == Null){
      if(cc.Frequency_Months__c == 'January'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),01,01);
      }
        if(cc.Frequency_Months__c == 'February'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),02,01);
      }
        if(cc.Frequency_Months__c == 'March'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),03,01);
      }
        if(cc.Frequency_Months__c == 'April'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),04,01);
      }
        if(cc.Frequency_Months__c == 'May'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),05,01);
      }
        if(cc.Frequency_Months__c == 'June'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),06,01);
      }
        if(cc.Frequency_Months__c == 'July'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),07,01);
      }
        if(cc.Frequency_Months__c == 'August'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),08,01);
      }
        if(cc.Frequency_Months__c == 'September'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),09,01);
      }
        if(cc.Frequency_Months__c == 'October'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),10,01);
      }
        if(cc.Frequency_Months__c == 'November'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),11,01);
      }
        if(cc.Frequency_Months__c == 'December'){
      cc.Payment_Due_Date__c = date.newinstance(cd.year(),12,01);
      }
    }
    }

test class

@isTest
public class TestRepCompensation{
    
    public static testmethod void test1(){
        datetime cd = System.today();       
        Account a = new Account(Name = 'Test Account', Account_Type__c = 'Agency', Hierarchy_1__c = 'Growth', Hierarchy_2__c = 'Growth Miscellaneous',
                    Hierarchy_3__c = 'Growth Miscellaneous', Picklist_Category__c = 'Medical');
        insert a;
        Contract c = new Contract(Status = 'Proposed/pending',Contract_Expiration_Date__c = date.newinstance(2017,03,01), AccountId = a.id,
                     StartDate = date.newinstance(2016,03,01));
        insert c;
       Compensation__c cc1 = new Compensation__c(Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'January',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),01,01));
        insert cc1;
        Compensation__c cc2 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'February',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),02,01));
        insert cc2;
        Compensation__c cc3 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'March',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),03,01));
        insert cc3;
        Compensation__c cc4 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'April',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),04,01));
        insert cc4;
        Compensation__c cc5 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'May',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),05,01));
        insert cc5;
        Compensation__c cc6 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'June',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),06,01));
        insert cc6;
        Compensation__c cc7 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'July',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),07,01));
        insert cc7;
        Compensation__c cc8 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'August',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),08,01));
        insert cc8;
        Compensation__c cc9 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'September',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),09,01));
        insert cc9;
        Compensation__c cc10 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'October',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),10,01));
        insert cc10;
        Compensation__c cc11 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'November',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),11,01));
        insert cc11;
        Compensation__c cc12 = new Compensation__c (Payment_Amount__c = 1000.00,Payment_Frequency1__c = 'Annually',
                                          Frequency_Months__c = 'December',Contract__c = c.id, Payment_Amount1__c = 1000.00,Payment_Due_Date__c = date.newinstance(cd.year(),12,01));
        insert cc12;
        System.assert(cc12.Payment_Amount1__c==1000.00 );