diff --git a/Exercise4.sh b/Exercise4.sh
new file mode 100644
index 0000000..90fbac6
--- /dev/null
+++ b/Exercise4.sh
@@ -0,0 +1,36 @@
+#Q1
+#write a file containing unique gender and years experience in two space deliminated columns
+#input = wages.csv
+#output uni.gen.exp.csv
+cat wages.csv | cut -d ',' -f1,2 | sed 's/\<[0-9]\>/0&/' | sed 's/,/ /g' > a.tmp.csv
+head -1 a.tmp.csv > u.gender.year.csv
+sed '1d' a.tmp.csv |  sort -n | uniq >>u.gender.year.csv
+rm a.tmp.csv
+echo "unique gender and experience .csv complete"
+
+#Q2
+#Print gender, yearsExperience, and wage for highest earner
+echo "Highest Earner"
+cat wages.csv | sed 's/,/ /g' | cut -d ' ' -f 1,2,4 | sort -n -k 3 | tail -1 
+
+#Print gender, yearsExperience, and wage for lowest earner
+echo "Lowest Earner"
+cat wages.csv | sed 's/,/ /g' | cut -d ' ' -f 1,2,4 | sort -n -k 3 | head -2 | tail -1
+
+#Number of females in top 10 earners
+echo "Number of Females in Top 10 Earners"
+cat wages.csv | sed 's/,/ /g' | sort -n -k 4 | tail -10 | grep "female" | wc -l
+
+#Q3
+#Minimum wages of 12 vs 16 years school
+val1=$(cat wages.csv | sed 's/,/ /g' | awk -F, '$3 = "12"' | sort -n -k "4" | cut -d ' ' -f 4 | head -2 | tail -1)
+val2=$(cat wages.csv | sed 's/,/ /g' | awk -F, '$3 = "16"' | sort -n -k "4" | cut -d ' ' -f 4 | head -2 | tail -1)
+echo "Min wage 12 years school"
+echo $val1
+echo "Min wage 16 years school"
+echo $val2
+#Difference in wages based on school years
+echo "$val2 - $val1" | bc
+
+
+
diff --git a/movie.txt b/movie.txt
new file mode 100644
index 0000000..4868504
--- /dev/null
+++ b/movie.txt
@@ -0,0 +1,9 @@
+National Treasure
+Pan's Labyrinth
+Lord of the Rings
+The Dark Knight
+Pride and Prejudice
+The Room
+The Devil Wears Prada
+The Lorax
+Revenge of the Sith