head -> NULL   count=0
head -> [#1 Andi] -> [#2 Budi] -> [#3 Citra] -> NULL   count=3
head -> [#4 Dewi] -> [#1 Andi] -> [#2 Budi] -> [#3 Citra] -> NULL   count=4
total Rp 107000
find Citra: #3, Rp 24000
find Eko: not in the list
remove #4: done  head -> [#1 Andi] -> [#2 Budi] -> [#3 Citra] -> NULL   count=3
remove #2: done  head -> [#1 Andi] -> [#3 Citra] -> NULL   count=2
remove #3: done  head -> [#1 Andi] -> NULL   count=1
remove #9: no such order  head -> [#1 Andi] -> NULL   count=1
head -> [#1 Andi] -> [#5 Eko] -> NULL   count=2
head -> NULL   count=0
