diff --git a/test/main.js b/test/main.js
index 1593a10..486aa17 100644
--- a/test/main.js
+++ b/test/main.js
@@ -201,6 +201,20 @@ describe('#irs', function() {
             irs.calculateBaseBillAmount(splitted).should.equal(140560, '#2CBDCEB8');
 
         })
+
+        it('should return correct value - inquiry - tajira', () => {
+            const detail = 'REFID:52055038964420747312/NAMA:MASJID AN NUR/KATEGORIDAYA:S2/450/PERIODE:092020/TAGIHANASLI:7140/DENDA:3000/ADMIN:2750/TOTALBAYAR:12.890';
+            const splitted = irs.splitPostpaidDetail(detail);
+
+            irs.calculateBaseBillAmount(
+                splitted,
+                null,
+                // {
+                //     KEYWORD_TAGASLI: 'TAGIHANASLI,DENDA',
+                // },
+                // 1
+            ).should.equal(10140);
+        });
     }); 
 
     describe('#getBillCount', () => {