diff --git a/exchange/clients.txt b/exchange/clients.txt
new file mode 100644
index 0000000..39ac9f9
--- /dev/null
+++ b/exchange/clients.txt
@@ -0,0 +1,9 @@
+C1	1000	130	240	760	320
+C2	4350	370	120	950	560
+C3	2760	0	0	0	0
+C4	560	450	540	480	950
+C5	1500	0	0	400	100
+C6	1300	890	320	100	0
+C7	750	20	0	790	0
+C8	7000	90	190	0	0
+C9	7250	190	190	0	280