diff --git a/tt/sum.sh b/tt/sum.sh
new file mode 100755
index 0000000..29bce12
--- /dev/null
+++ b/tt/sum.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+function get_sum() {
+  cut -d";" -f4 "$1.csv" | tail -n+2  | paste -sd+ | bc
+}
+
+hil=$(get_sum "HIL")
+ste=$(get_sum "STE")
+total=$(echo "$hil+$ste" | bc)
+
+echo -e "HIL:\t$hil\nSTE:\t$ste\nTotal:\t$total"